put-on 
noun North American informal
A deception; a hoax.It's hard to tell if it's brilliant or a put-on, or just a brilliant put-on....
- Spade offered them a contrived story about this all being a put-on to make them look foolish.
- ‘Frankly, I still have to believe it's a put-on,’ says Ireland.
- asexualize
- asexually
- as far as
- as far as I can see
- as far as one can tell
- (as) fit as a fiddle
- (as) fit as a flea
- (as) flat as a pancake
- as for
- as from
- as from (or of)
- (as) full as a goog
- (as) full as a Pommy complaint box
- (as) game as a pissant
- as game as Ned Kelly
- Asgard
- as God is my witness (or God be my witness)
- (as) good as gold
- (as) good as new
- as good as ——
- ash
- a shade ——
- ashamed
- ashamedly
- Ashanti