acclamate

Perhaps a backformation from acclamation.

acclamate (third-person singular simple present acclamates, present participle acclamating, simple past and past participle acclamated)

1. (rare) To acclaim.
2. Misspelling of acclimate.

acclamate

1. second-person plural present indicative of acclamare
2. second-person plural imperative of acclamare
3. feminine plural of acclamato

acclāmāte

1. first-person plural present active imperative of acclāmō