The word "impose" typically refers to the action of making someone accept or tolerate something that is unwelcome or that they do not want. It can have several meanings depending on the context:
1. To place or put upon someone; to impose something on someone:
"The government imposed new taxes on the citizens."
"She imposed her opinions on the group without considering their feelings."
2. To require or demand (something) as a condition:
"The company imposed strict rules on its employees."
"The terms of the contract impose a deadline for completion."
3. To burden or weigh heavily on someone:
"The weight of responsibility imposed on her was overwhelming."
"The task imposed a great strain on his resources."
4. To introduce (a new system, policy, or tax) without popular consent:
"The government imposed martial law without consulting the public."
"They imposed a new educational curriculum on the schools."
5. To present or introduce (something) in a formal or respectful manner:
"He imposed himself on the group, trying to be helpful."
"She imposed a new theory on the scientific community."
In each case, "impose" implies a level of force or authority, often over someone who might not have wanted or agreed to the imposition.