engagement Definition

1. The act of engaging or state of being engaged.
2. A firm agreement between two people to marry.

Thesaurus: betrothal, commitment, vow, pact, pledge, espousal.
3. An arrangement made in advance; an appointment.

Thesaurus: appointment, meeting, rendezvous, encounter, date, gig (slang).
4. military.
A battle.
Thesaurus: skirmish, battle, fight, action, combat, conflict, confrontation, contest.