Wiktionary
make a decision
vb. (context intransitive idiomatic English) To decide.
Usage examples of "make a decision".
Response: I don't think you should try to make a decision when you are so weary.
WHAT I'M TELLING YOU IS, IF YOU WANT TO DO THINGS YOUR OWN WAY, YOU'RE GOING TO HAVE TO MAKE A DECISION-YOU'RE GOING TO HAVE TO FIND A LITTLE COURAGE.
Before he could make a decision, a phaser beam rang out, cutting down the first row of people.
All the conversation today was aimed at helping you make a decision.