Related Clues:

• Put into the record
• Opposite of exit
• Maze sign
• "Come on in!"
• Sign up, variantly
• Key next to ''
• Register for a class (Var.)
• Key opposite Caps Lock
• Walk on the stage
• Pencil maze word
• Break in, say
• "Knock, knock" response
• Register for (with "in")
• "Come in" command
• Register, as for a course (Var.)