Related Clues:

• Key next to ''
• Key opposite Caps Lock
• Walk on the stage
• Join the class
• Pencil maze word
• Break in, say
• "Knock, knock" response
• "Come in" command
• Carriage return key, nowadays
• Sign up to compete
• Go in and put in the ledger
• Come in or record
• Come or go in
• Enroll, sign up
• Go or come in