Related Clues:

• Chooses
• Picks
• Joins
• Makes a choice
• Selects
• Signs up
• Records
• Withdraws, with 'out'
• Gets off the fence, so to speak
• Co-___ (appropriates)
• Teeny
• Votes (for)
• Picks one
• Chooses, with 'for'
• Matriculates