usurp

verb

1. seize and take control without authority and possibly with force; take as one's right or possession

   verb.possession

   Examples

   He usurped my rights.

   Synonyms arrogate assume seize take over

   Source: WordNet 3.0

2. take the place of

   verb.social

   Examples

   Gloom had usurped mirth at the party after the news of the terrorist act broke.

   Source: WordNet 3.0

3. To seize, and hold in possession, by force, or without right; as, to <i>usurp</i> a throne; to <i>usurp</i> the prerogatives of the crown; to <i>usurp</i> power; to <i>usurp</i> the right of a patron is to oust or dispossess him.

   verb

   Source: webster1913

4. To commit forcible seizure of place, power, functions, or the like, without right; to commit unjust encroachments; to be, or act as, a usurper.

   verb

   Source: webster1913