self-restraint
noun
• restraint imposed by oneself on one's own actions; self-control.
Similar:
self-control,
restraint,
control,
self-discipline,
self-mastery,
self-possession,
will power,
strength of will,
moderation,
temperateness,
temperance,
abstemiousness,
abstention,
non-indulgence,
cool,
countenance,