take over

Short definition from Wiktionary

Verb

1. 1
   To assume control of something, such as a business or enterprise, and sometimes by force.
2. 2
   To adopt a further responsibility or duty.
3. 3
   To relieve someone temporarily.
4. 4
   To buy out the ownership of a business.
5. 5
   To appropriate something without permission.
6. 6
   To annex a territory by conquest or invasion; to conquer.
7. 7
   To become more successful than (someone or something else).
8. 8
   Used other than figuratively or idiomatically: see take, over.

Noun

1. 1
   Alternative form of takeover.