make a decision - Wiktionary, the free dictionary

make a decision (third-person singular simple present makes a decision, present participle making a decision, simple past and past participle made a decision)

1. (intransitive) To decide.

   You need to make a decision whether or not to go.

• See Appendix:Collocations of do, have, make, and take

• (decide): choose up (informal), take a decision (much less common, especially in the US)