Synonyms choose
These words all mean to decide which thing or person you want out of the ones that are available.
choose to decide which thing or person you want out of the ones that are available: You choose—I can’t decide.
select often passive to choose somebody/something, usually carefully, from a group of people or things: He was selected for the team.
a randomly selected sample of 23 schools
pick (rather informal) to choose somebody/something from a group of people or things: She picked the best cake for herself.
choose, select or pick?
Choose is the most general of these words and the only one that can be used without an object. When you select something, you choose it carefully, unless you actually say that it is selected randomly/at random. Pick is a more informal word and often a less careful action, used especially when the choice being made is not very important.
decide to choose between two or more possibilities: We’re still trying to decide on a venue.
opt to choose to take or not to take a particular course of action: After graduating she opted for a career in music.
After a lot of thought, I opted against buying a motorbike.
go for something (rather informal) to choose something: I think I’ll go for the fruit salad.
Patterns
to choose/decide between A and/or B
to choose/select/pick A from B
to opt/go for somebody/something
to choose/decide/opt to do something
to choose/select/pick somebody/something carefully/at random
randomly chosen/selected/picked