restraint

US /rɪˈstreɪnt/
UK /rɪˈstreɪnt/
"restraint" picture
1.

a measure or condition that keeps someone or something under control or within limits

:
The police used physical restraint to subdue the suspect.
The government imposed strict financial restraints on spending.
2.

unemotional, dispassionate, or moderate behavior; self-control

:
She showed remarkable restraint despite the provocation.
The artist used great restraint in his use of color.