judicious

Synonyms: accurate acute astute calculating careful cautious circumspect clear-sighted considerate considered diplomatic discerning discreet discriminating efficacious enlightened expedient far-sighted informed judicial keen perceptive perspicacious politic profound prudent quick-witted rational reasonable sagacious sage sane sapient seasonable seemly sensible sharp shrewd skillful sober sophisticated sound thorough wary well-advised well-judged worldly-wise

Antonyms: foolish hasty idiotic injudicious irrational nonsensical reckless senseless thoughtless unwise