restraint

the act of controlling by restraining someone or something; "the unlawful restraint of trade"

discipline in personal and social activities; "he was a model of polite restraint"; "she never lost control of herself"

the state of being physically constrained; "dogs should be kept under restraint"

a rule or condition that limits freedom; "legal restraints"; "restraints imposed on imports"

lack of ornamentation; "the room was simply decorated with great restraint"

a device that retards something's motion; "the car did not have proper restraints fitted"