A person's repute is what others think of them; repute can also refer to someone's standing in society.
If you impute something, such as blame or a crime, to somebody, you say (usually unfairly) that that person is responsible for it.
Something putative is supposed to be real; for example, a putative leader is one who everyone assumes is the leader—even though they may not be in reality.
A dispute is a disagreement, difference of opinion, or quarrel about something.
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