Related Clues:

• Put an "X" in a box, for example
• Make a decisive decision (with "for")
• Reach a decision
• Decide to join, with 'in'
• __ out (unsubscribe)
• Booking figure
• Person upholding the law
• Catch a police officer
• 'That's a total ___-out'
• "That's a ___-out!"
• Chaser of the bad guys
• Make a choice between two things
• ___ out (unsubscribe)
• Show decisiveness
• Make a definitive choice