The word(s) "appoint" appears 84 time(s) in 80 verse(s) in Quran in Mohsin Khan translation.

(11) Allah cursed him. And he [Shaitan (Satan)] said: "I will take an appointed portion of your slaves.

(12) Indeed Allah took the covenant from the Children of Israel (Jews), and We appointed twelve leaders among them. And Allah said: "I am with you if you perform As-Salat (Iqamat-as-Salat ) and give Zakat and believe in My Messengers; honour and assist them, and lend a good loan to Allah, verily, I will expiate your sins and admit you to Gardens under which rivers flow (in Paradise). But if any of you after this, disbelieved, he has indeed gone astray from the Straight Path."

(13) And had We appointed him an angel, We indeed would have made him a man, and We would have certainly confused them in which they are already confused (i.e. the Message of Prophet Muhammad صلى الله عليه وسلم).

(14) It is He Who takes your souls by night (when you are asleep), and has knowledge of all that you have done by day, then He raises (wakes) you up again that a term appointed (your life period) be fulfilled, then (in the end) unto Him will be your return. Then He will inform you of that which you used to do.

(15) (He is the) Cleaver of the daybreak. He has appointed the night for resting, and the sun and the moon for reckoning. Such is the measuring of the All-Mighty, the All-Knowing.

(16) And so We have appointed for every Prophet enemies - Shayatin (devils) among mankind and jinn, inspiring one another with adorned speech as a delusion (or by way of deception). If your Lord had so willed, they would not have done it; so leave them alone with their fabrications. (Tafsir Qurtubi)

(17) And on the Day when He will gather them (all) together (and say): "O you assembly of jinn! Many did you mislead of men," and their Auliya' (friends and helpers) amongst men will say: "Our Lord! We benefited one from the other, but now we have reached our appointed term which You did appoint for us." He will say: "The Fire be your dwelling-place, you will dwell therein forever, except as Allah may will. Certainly your Lord is All-Wise, All-Knowing."

(18) And surely, We gave you authority on the earth and appointed for you therein provisions (for your life). Little thanks do you give.

(19) And every nation has its appointed term; when their term comes, neither can they delay it nor can they advance it an hour (or a moment).

(20) Who is more unjust than one who invents a lie against Allah or rejects His Ayat (proofs, evidence, verses, lessons, signs, revelations)? For such their appointed portion (good things of this worldly life and their period of stay therein) will reach them from the Book (of Decrees) until when Our Messengers (the angel of death and his assistants) come to them to take their souls, they (the angels) will say: "Where are those whom you used to invoke and worship besides Allah," they will reply, "They have vanished and deserted us." And they will bear witness against themselves, that they were disbelievers.