Ah!
ETYM Old Eng. a: cf. Old Fren. a, French ah, Latin ah, Greek a, Sk. â, Icel. ae, Old High Germ. â, Lith. á, áá.
An exclamation, expressive of surprise, pity, complaint, entreaty, contempt, threatening, delight, triumph, etc., according to the manner of utterance.
a guilty conscience · aguise · aguish · aguishly · aguishness · aguja · agy · Ah! · Aha! · a haunted house · ahead · ahead of