Synonyms for Turn In (same or very similar meaning)
WordNet sense 1 (to surrender someone or something to another):
deliver, render, hand over, get in, fork out, fork over, fork upWordNet sense 2 (carry out (performances)):
put onWordNet sense 3 (prepare for sleep):
bed, retire, go to bed, crawl in, go to sleep, hit the hay, hit the sack, kip down, sack outFrom the ODE community, based on WordNetadd/edit