Answer:

GRIN

AnswerCrossword Clue
GRINGarfield feature
GRINIt may go from ear to ear
GRINPuckish countenance
GRINCheshire cat feature
GRINPuckish expression
GRINBeam
GRINJack-o-lantern feature
GRINSly expression
GRINAlfred E. Neuman feature
GRINCease looking sullen
GRIN"Shit-eating" expression
GRINCrack a smile
GRINShow amusement
GRINHappy face
GRINRegister pleasure
GRINEar-to-ear feature?
GRINPut on a happy face
GRINLook amused
GRINCheshire Cat's look
GRINFrown, upside down
GRINCheshire countenance
GRINHappy look
GRINToothy smile
GRINSmile
GRINReveal amusement
GRINTrademark of the Cheshire cat
GRINIt might be foolish
GRINBig smile
GRINCheshire Cat's expression
GRINIt might be silly
GRINHappy reaction
GRINImpish smile
GRINSilly smile
GRINSign of approval
GRINMild reaction to a joke
GRINIt may be impish
GRINIt might be boyish
GRINWide smile
GRINBroad smile
GRINEar-to-ear expression