The word(s) "understanding" appears 37 time(s) in 37 verse(s) in Quran in Abdullah Yusuf Ali translation.

(11) The Hypocrites, men and women, (have an understanding) with each other: They enjoin evil, and forbid what is just, and are close with their hands. They have forgotten Allah; so He hath forgotten them. Verily the Hypocrites are rebellious and perverse.

(12) Among them are some who (pretend to) listen to thee: But canst thou make the deaf to hear,- even though they are without understanding?

(13) There is, in their stories, instruction for men endued with understanding. It is not a tale invented, but a confirmation of what went before it,- a detailed exposition of all things, and a guide and a mercy to any such as believe.

(14) Is then one who doth know that that which hath been revealed unto thee from thy Lord is the Truth, like one who is blind? It is those who are endued with understanding that receive admonition;-

(15) Here is a Message for mankind: Let them take warning therefrom, and let them know that He is (no other than) One Allah: let men of understanding take heed.

(16) "And how canst thou have patience about things about which thy understanding is not complete?"

(17) Eat (for yourselves) and pasture your cattle: verily, in this are Signs for men endued with understanding.

(18) Is it not a warning to such men (to call to mind) how many generations before them We destroyed, in whose haunts they (now) move? Verily, in this are Signs for men endued with understanding.

(19) To Solomon We inspired the (right) understanding of the matter: to each (of them) We gave Judgment and Knowledge; it was Our power that made the hills and the birds celebrate Our praises, with David: it was We Who did (all these things).

(20) It is He Who has created for you (the faculties of) hearing, sight, feeling and understanding: little thanks it is ye give!