What is the meaning of imposed?

verb

• Compel to behave in a certain way.
  • usage: "Social relations impose courtesy"
  • synonyms: enforce, impose
• Impose something unpleasant.
  • usage: "The principal visited his rage on the students"
  • synonyms: inflict, bring down, visit, impose
• Impose and collect.
  • usage: "levy a fine"
  • synonyms: levy, impose

adjective

• Set forth authoritatively as obligatory.
  • usage: "the imposed taxation"; "rules imposed by society"