I. verb — [with obj.] 1. praise enthusiastically and publicly • the conference was acclaimed as a considerable success.
II. noun — [ mass noun] 1. enthusiastic and public praise • she has won acclaim for her commitment to democracy.
– origin early 17th cent. (in the sense ‘express approval’): from Latin acclamare, from ad- ‘to’ + clamare ‘to shout’. The change in the ending was due to association with claim. Current senses date from the 17th cent.