To have an interest in something.
To trade (buy and sell) a named commodity.
To accept (something or a piece of information) as a basis for a decision.
To deal cards to someone entering a game; to enter someone into a game by dealing cards to that person.
To keep in possession or use.
To employ by paying a retainer.
To hold back (a pupil) instead of allowing them to advance to the next class or year.
To keep in one's pay or service.
To hold secure.