- We will never accomodate ourselves to acts of aggression and intervention out of consideration for our relations with the power in question.
- This dreadful murder is surely the act of a madman.
- Don't complain of anybody. This is an act of God.
- He was caught in the very act of espionage.
- She worked over the first act of the play.
- The attack on the ship is viewed as an act of war.