1. Applause; enthusiastic approval
2. An oral vote, especially an enthusiastic vote pf approval
Part of speech
1. The audience responded with an enthusiastic acclamation when the singer belted out the high note of the song.
2. There was a polite acclamation when they announced the winner of the award.
Glee - The New Directions won Regionals | All or Nothing (Subtitled) [HQ]