Antonyms for folly

attribute:

wisdom.

nonsense, ridiculous idea:

judgment, sense, knowledge, understanding, intelligence, seriousness, wisdom, carefulness, care.

noun:

intelligence, validity, brilliancy, judgment, rationalness, acuteness, brainstorm, forethought, sensibleness, horse sense, rationality, logicalness, sense, capacity, astuteness, sanity, common sense, logicality, soundness, reasonability, inspiration, levelheadedness, Percipience.