To take a side in a dispute.
To substitute for; to replace; (theater) to serve as an understudy.
To make one of a party in a bet or other speculation.
A substitute; a replacement.
To adopt a further responsibility or duty.
To become more successful (than someone or something else).
To assume control of something, especially by force; to usurp.
To appropriate something without permission.
To buy out the ownership of a business.
To relieve someone temporarily.
To annex a territory by conquest or invasion.
Used other than figuratively or idiomatically: see take, over.