noun

1. A shout of approbation, favor, or assent; eager expression of approval; loud applause.

2. The act of winning an election to a post because there were no other candidates.

   "With no one running against her, she won by acclamation."

3. A representation, in sculpture or on medals, of people expressing joy.

4. An oral vote taken without formal ballot and with much fanfare; typically an overwhelmingly affirmative vote.