Prudence

Carefulness, precaution, attentiveness, and good judgment, as applied to action or conduct. That degree ot care required by the exigencies or circumstances under which it is to be exercised.

Cronk v. Rallway Co., 3 S. D. 93, 52 N. W. 420.

This term, in the language of the law, is commonly associated with "care" and "diligence" and contrasted with "negligence." See those titles.