"tranquilized" in the verb sense
1. calm, calm down, quiet, tranquilize, tranquillize, tranquillise, quieten, lull, still
make calm or still
"quiet the dragons of worry and fear"
2. sedate, calm, tranquilize, tranquillize, tranquillise
cause to be calm or quiet as by administering a sedative to
"The patient must be sedated before the operation"
Source: WordNet® (An amazing lexical database of English)
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