I فلح  To cleave, split, cut, slit or crack ( ھsomething)  [ LL, HW, LQ]

To furrow or plough (الارض the land), to cultivate it; to till the ground (الارض the land) [LL, HW]

To unfold something in order to reveal its intrinsic properties; to till and break open the surface of the earth and make its productivity power active [AM]

IV and X افلح to thrive, prosper, become happy; to have luck or success, to be lucky or successful (فى in, with)  [HW]; to prosper, be successful, attain or acquire that which one desires or seeks or what is good, or felicity, or whereby one becomes in a happy and good state; to become in a state of safety; to continue in a good or prosperous state and in the enjoyment of ease, comfort or the blessing of life [LL, LA]; to live or continue to live  (ب by) [LL, K]

Falah فلاح working out of latent faculties to the best ability; [whatever of noble and good hidden in us must come out and whatever is in the form of potentiality in human mind must be converted into actuality;] working out our own evolution and to bring to realisation what our Creator has placed in us [AM], just like ploughing of land and cultivation results in the actualisation of the potentialities of a seed; prosperity; success; the attainment of that which one desires or seeks [LL, LA, K], or that whereby one becomes in a happy or good state; safety or security [LL, LA]; continuous or permanence in a good or prosperous state [LL, LA, K], and in the enjoyment of ease, comfort or the blessings of life, and the continuous of good [LL, LA]; continuous, permanence, lastingness, or endurance [LL, LQ]; reaping the fruits of labour [AM]. There is no other word in the Arabic language that is more comprehensive in signification of what is good in the present life and in the after-life than Al-falah(الفلاح) [LL, AM]. Pertains to both this world and the Hereafter [AM]

Falahat فلاحة agriculture; art, work or occupation of ploughing, tilling or cultivating land [LL, LA, K, LQ]. Since the result of ploughing and cultivation of crops is its multiplication and abundance, the word falah فلاح is used to mean success and prosperity or the attainment of that which one desires or seeks [LQ]

Muflihoon مفلحون a people prospering; successful; attaining or acquiring that which they desire or seek or of what that is good or of what make them happy or in a good state [LL, LQ]; whose crops thrive or flourish [LQ]

In the Qur’an, the word Aflaha افلح has come as an opposite of the word khaaba خاب [91:9-10]

In 7:8-9, the word muflihoon has been used vs. those who khasaroo (i.e. suffer loss or diminution). 

Actions that results in falah, as given in the Quran, are as follows:

–Taqwa leads to falah [2:189, 3:130, 3:200, 5:35, 5:100] 

-Believing in Al-Ghaib, establishing Salat,  and keeping what Allah has bestowed , open for the benefit of others; believing in Allah’s Revelations and the Hereafter [2:5] 

-Inviting to al-khair, enjoining what is Right and forbidding what is wrong [3:104]

-Seeking the means to be in the good graces of Allah and striving hard in His way [5:35] 

-Striving hard with one’s life and wealth in the way of Allah [9:88] 

-Refraining from intoxicants, gambling and games of chance, sacrificing animals on stones i.e. altars of idols and idolatrous practices, and divining of the future by such means as arrows, raffles and omens [5:90] 

-Making the balance of good deeds heavier than the bad deeds [7:8, 23:102] 

-Being exceeding mindful of (the Commands of) Allah [8:45] 

-Having convictions (in Allah and His Laws and Commands); humbly and whole-heartedly following Divine Commands (by establishingSalat); turning away from all that is senseless; setting up of the Just Economic Order of ZAKAT; being mindful of chastity and not giving way to desires with any but the spouses – that is, those whom each other rightfully possesses; being faithful to the trusts and to the pledges; guarding the Divine System of Salat [23:1-9] 

-Bowing down (to the Laws of Allah), humbly submitting and conforming to the Commands of Allah and doing al-khair [22:77]  

-Turning to (the Guidance of) Allah [24:31] 

-Turning to Allah, have conviction in His Laws and do deeds of righteousness [28:67] 

-Giving to the relative his God-given Right, and to the needy, and whose business has stalled, and who has lost his job, and whose hard-earned income is insufficient to meet the basic needs, and the homeless son of the street, the needy traveller and the one who has travelled to you for help [30:38] 

-Obeying the Laws, Rules and Regulations imposed by Allah and His Messenger (,  the Islamic Authority who imposes them) [24:51] 

-Developing (Divine Attributes in) one’s ‘self’ as much as is humanly possible [87:14-15, 91:9] 

-Taqwa, listening and obeying (Allah’s Command), spending on others and saving oneself from one’s own greediness [64:16, 59:9] 

-Seeking Allah’s bounty and being mindful of (the Commands) of Allah [62:10] 

-Truly believing in Allah and the Last Day and NOT endearing anyone who opposes Allah and His Messenger, even though they be their fathers or their sons or their brothers or their tribe [58:22] 

-Establishing Salat and Just economic order of Zakat and believing in the hereafter [31:5-6]

-Following the Messenger, honouring him, supporting him and following the Light (i.e. the Quran) that was revealed to him [7:157]