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.
To separate and reserve something for a specific purpose.
To disagree with something and reject or overturn it.
To declare something invalid or null and void.
To leave out of account; to omit or neglect.