a hostile meeting of opposing military forces in the course of a war; "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement"
3
assembly
a group of persons gathered together for a common purpose
3
council
a meeting of people for consultation; "emergency council"
2
meeting
the social act of assembling for some common purpose; "his meeting with the salesmen was the high point of his day"