sustain
To maintain, or keep in existence.
To provide for or nourish.
To encourage or sanction (something).
To experience or suffer (an injury, etc.).
To confirm, prove, or corroborate; to uphold.
(law, of a judge) To allow, accept, or admit (e.g. an objection or motion) as valid.
To keep from falling; to bear; to uphold; to support.
To aid, comfort, or relieve; to vindicate.
(music) A mechanism which can be used to hold a note, as the right pedal on a piano.