Thesaurus.com
Dictionary.com

good reasoning

NOUN
common-sense
Synonyms
STRONGEST
acumen good sense insight intelligence judgment logic practicality prudence rationality sense sound judgment wisdom wit
WEAK
cool experience gumption horse sense levelheadedness mother wit reason reasonableness sensibleness sound sense soundness sweet reason wits
Antonyms
STRONGEST
ignorance ineptness irrationality stupidity
WEAK
foolishness impracticality insanity unreasonableness unsoundness