Related Clues:

• ___ into holy matrimony
• Door word
• Reply to a knock
• Key word
• Cry from within
• Begin, as school
• Walk in
• Oft-used computer key
• Insinuate
• Get into
• Parking lot sign
• 'The door's open'
• Maze marking
• 'C'mon in!'
• 'Step right in!'