Synonyms for Sitting (same or very similar meaning)
WordNet sense 1 (a meeting of spiritualists):
seance, session
WordNet sense 2 ((of persons) having the torso erect and legs bent with the body supported on the buttocks):
seated
WordNet sense 3 (not in motion):
nonmoving, unmoving
WordNet sense 4 ((photography) the act of assuming a certain position (as for a photograph or portrait)):
posing
From the ODE community, based on WordNet
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