11 letters · 17 points in Scrabble
noun enthusiastic approval
origin* First attested in 1541. * Borrowed from Latin acclāmātiō, acclāmātiōnis (“calling, exclamation, shout of approval”), from acclamo (“shout approval or disapproval of, shout out at”), from ad (“toward”) + clamo (“cry out”) * Compare French acclamation.
Etymology from Wiktionary, CC BY-SA 3.0