Applauder

ap·plaud  (-plôd)

v. ap·plaud·ed, ap·plaud·ing, ap·plauds

v.intr.

To express approval, especially by clapping the hands.

v.tr.

1. To express approval of (someone or something) especially by such clapping.

2. To commend highly; praise: applauded her decision to complete her degree.

---

[Middle English applauden, from Latin applaudere : ad-, ad- + plaudere, to clap.]

---

ap·plauda·ble adj.

ap·plauda·bly adv.

ap·plauder n.

Synonyms: applaud, cheer, root³
These verbs mean to express approval or encouragement audibly: applauded at the end of the concert; cheered when the home team scored; rooting for the underdog in the tennis championship.

Thesaurus

Noun

1.

applauder - someone who applauds                 clapper extoller, laudator, lauder - someone who communicates high praise