Grin.
Grin or smirk
smirk
Smiling, beaming
Smirk is one alternative.
smile, smirk
The word smirk is a noun meaning sly smile. Synonyms for the word smirk include beam, grin, leer, simper, grimace, grim, sneer, visage, and smug look.
Smirk does not have a suffix. Usually words with only one syllable, don't have a suffix.
smirk
The prefix of the word "smirk" is "sm-" which means a slight curling of the lip, often indicating amusement or smugness.
Conquettish mean fake or phony. Sometimes it can be used as another word for sarcastic. Example: She put on a conquettish smirk.
Josh had a smirk on his face when he got a B+ on his test.
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