Answer:

sits

Answer	Crossword Clue
SITS	Minds the rug rats
SITS	Poses for a painting
SITS	Is in session

SITS	Puts cheeks to chair
SITS	Does nothing
SITS	Convenes
SITS	Goes unused
SITS	Takes a chair
SITS	Perches
SITS	Takes a load off
SITS	Stays idle

SITS	Makes a lap
SITS	Looks after little ones
SITS	Looks after the kids
SITS	Parks one's hips
SITS	Poses, as for a portrait
SITS	Rests
SITS	Poses
SITS	Poses for a portrait

SITS	Isn't used
SITS	Watches the kids
SITS	Rests one's feet
SITS	Warms the bench
SITS	Is sidelined
SITS	Watches a kid for cash
SITS	Creates a lap
SITS	Doesn't stand for it?

SITS	Has one's portrait painted
SITS	Isn't off one's rocker?
SITS	Occupies a throne
SITS	Uses a tuffet
SITS	Watches junior
SITS	Gains a lap
SITS	Looks after toddlers
SITS	Minds a minor

SITS	Has a chair
SITS	Stays on the bench
SITS	Tends to tykes
SITS	Watches one's niece and nephew, say
SITS	Forms a lap