Answer:

OPT

AnswerCrossword Clue
OPTChoose
OPTMake a choice
OPTNot req.
OPTMake up your mind
OPT.. for (pick)
OPTPick an alternative
OPTSelect
OPTBe decisive
OPTElect
OPTMake a decision
OPTTake a pick
OPTMake a pick
OPTDecide (to)
OPTPull (out)
OPTElect (to)
OPTGo (for)
OPT... out (withdraw)
OPTDecide
OPTStop waffling
OPTVote (for)
OPTChoose to participate, with "in"
OPTChoose, with "for"
OPTDecide to quit, with "out"
OPTShow a preference
OPTShow partiality
OPTCheck "yes," e.g.
OPTGet off the fence
OPTSelect, with "for"
OPTPick, with "for"
OPTStop shilly-shallying
OPTBack (out)
OPTChoose (to)
OPTDecline, with "out"
OPTMake up one's mind
OPTBe choosy?
OPTGet off the fence?
OPTMake a selection
OPTPick a card, say
OPTGo for, in a way
OPTMake a call