1. noun /eɪs/
I have the ace of diamonds.
b) A card or die face so marked.
Ill not wag an ace further.
2. verb /eɪs/
a) To pass (a test, interviews etc.) perfectly.
b) To win a point by an ace.
Syn: pass with flying colours
3. adjective /eɪs/
Excellent.
Wikipedia foundation.