pru·den·tial /pruˈdɛn(t)ʃəl/
 (a.)謹慎的,細心的,明辨的
 Pru·den·tial a.
 1. Proceeding from, or dictated or characterized by, prudence; prudent; discreet; sometimes, selfish or pecuniary as distinguished from higher motives or influences; as, prudential motives. “ A prudential line of conduct.”
 2. Exercising prudence; discretionary; advisory; superintending or executive; as, a prudential committee.
 Pru·den·tial, n. That which relates to or demands the exercise of, discretion or prudence; -- usually in the pl.
    Many stanzas, in poetic measures, contain rules relating to common prudentials as well as to religion.   --I. Watts.
 ◄ ►
 prudential
      adj : arising from or characterized by prudence especially in
            business matters; "he abstained partly for prudential
            reasons"