Answer:

smirked

Answer	Crossword Clue
SMIRKED	Smiled smugly
SMIRKED	Looked smug
SMIRKED	Simpered.

SMIRKED	Wore a conceited smile.
SMIRKED	Smiled sillily.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.