acclamatory

noun

1. a loud shout or other demonstration of welcome, goodwill, or approval.
2. act of acclaiming.
3. Liturgy. a brief responsive chant in antiphonal singing.
4. Ecclesiastical. response(def 3a).

Idioms

5. by acclamation, by an oral vote, often unanimous, expressing approval by shouts, hand-clapping, etc., rather than by formal ballot.

noun

1. an enthusiastic reception or exhibition of welcome, approval, etc
2. an expression of approval by a meeting or gathering through shouts or applause
3. Canadian an instance of electing or being elected without oppositionthere were two acclamations in the 1985 election
4. by acclamation
   1. by an overwhelming majority without a ballot
   2. Canadian(of an election or electoral victory) without oppositionhe won by acclamation

n.

1540s, from Latin acclamationem (nominative acclamatio) “a calling, exclamation, shout of approval,” noun of action from past participle stem of acclamare “shout approval or disapproval of, cry out at,” from ad- “toward” (see ad-) + clamare “cry out” (see claim (v.)). As a method of voting en masse, by 1801, probably from the French Revolution.