Synonyms for Hold In (same or very similar meaning)
WordNet sense 1 (close in or confine):
confine, enclose
WordNet sense 2 (lessen the intensity of; temper; hold in restraint; hold or keep within limits):
check, contain, control, curb, hold, moderate, moderate
WordNet sense 3 (hold back; keep from being perceived by others):
conceal, hold back
From the ODE community, based on WordNet
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