Accepting an invitation is a polite gesture that shows respect for the host. It involves coming to the event, going to the event, and responding to the invitation with an RSVP. The crossword solutions for the term ACCEPT AN INVITATION are COME, GOIN, and RSVP. COME is a 4-letter word meaning to arrive at a place or event. GOIN is a 4-letter word meaning to be in the process of going somewhere. RSVP is a 4-letter acronym for the French phrase 'repondez s'il vous plaît, ' which translates to 'please respond.'