What does "sit for" mean?

To take care of children in the absence of their parents; to work as a babysitter for someone.

What is a synonym for "sit for"?

Common synonyms include: model, portrait session, pose, pose session, posing session, replace.

verb

verb ·Rare ·Advanced level

Verb

1
To take care of children in the absence of their parents; to work as a babysitter for someone.
2
To serve as a model for an artist or as the subject of a piece of art.
3
To represent a political party in a place, especially the House of Lords.
"Previously a crossbench peer in the House of Lords, now he sits for Labour."

"Previously a crossbench peer in the House of Lords, now he sits for Labour."