noun
ability to perceive, understand
Synonyms: acuity, acumen, agility, alertness, aptitude, brainpower, brains, brightness, brilliance, capacity, cleverness, comprehension, coruscation, discernment, gray matter, intellect, IQ, judgment, luminosity, mentality, mind, penetration, perception, perspicacity, precocity, quickness, quotient, reason, sagacity, savvy, sense, skill, smarts, subtlety, the right stuff, trenchancy, understanding, what it takes, wit
Antonyms: ignorance, inability, ineptness
noun
secret information
Synonyms: advice, clue, data, dirt, disclosure, facts, findings, hot tip, info, inside story, knowledge, leak, lowdown, news, notice, notification, picture, report, rumor, tidings, tip-off, word