restraint

noun

1.
the act of controlling by restraining someone or something
bridling
Derived from:
restrain
2.
discipline in personal and social activities
control
Antonym:
unrestraint
3.
the state of being physically constrained
handcuffs constraint
Derived from:
restrain
4.
a rule or condition that limits freedom
thwing
5.
6.
a device that retards something's motion
beleaning constraint