Assignation
Part of speech: noun
Definition: An appointment for a meeting, generally of a romantic or sexual nature.
Tryst
Part of speech: noun
Definition: A prearranged meeting or assignation, now especially between lovers to meet at a specific place and time.A mutual agreement, a covenant.
Part of speech: verb
Definition: To make a tryst; to agree to meet at a place.To arrange or appoint (a meeting time etc.).To keep a tryst, to meet at an agreed place and time.