Answer:

winks

Answer	Crossword Clue
WINKS	Flirtatious signals
WINKS	Forty "caught" when one sleeps
WINKS	Signs of collusion

WINKS	Sly signals
WINKS	Forty ...: nap
WINKS	Forty .. (short snooze)
WINKS	Knowing signals
WINKS	Forty ....
WINKS	Signals of a sort.
WINKS	Nictitates.
WINKS	Flirts' ploys.

WINKS	Eye come-ons
WINKS	Nictitates
WINKS	Nictates
WINKS	Forty ... (nap)
WINKS	Flips one's lid?
WINKS	"Just kidding" signals
WINKS	Some flirty signals
WINKS	;) ;) ;)

Crossword

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