intelligence
1 acumen, alertness, aptitude, brain power, brains (informal) brightness, capacity, cleverness, comprehension, discernment, grey matter (informal) intellect, mind, nous (Brit. slang) penetration, perception, quickness, reason, sense, smarts (slang, chiefly U.S.) understanding
2 advice, data, disclosure, facts, findings, gen (Brit. informal) information, knowledge, low-down (informal) news, notice, notification, report, rumour, tidings, tip-off, word
1 dullness, ignorance, stupidity
2 concealment, misinformation