To stand by
|to aid, to support.|
|To be near; to be a spectator; to be present|
|To be aside; to be set aside with disregard|
|To maintain; to defend; to support; not to desert; as, to stand by one's principles or party.|
|To rest on for support; to be supported by|
|To remain as a spectator, and take no part in an action; as, we can't just stand idly by while people are being killed.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.