Answer:

winked

Answer	Crossword Clue
WINKED	Signaled collusion
WINKED	Signaled, in a sly way
WINKED	Flirted subtly

WINKED	Overlooked (with "at").
WINKED	Nictitated
WINKED	Signaled slyly
WINKED	Indicated "Just teasing!"
WINKED	Sent an eye signal
WINKED	Gave a sly signal

Crossword

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