Synonyms to mental alertness

acuity, acridity, acumen, acumination, acuteness, adroitness, agility, alertness, apperception, aptitude, aptness, astuteness, attention, attentiveness, braininess, brightness, brilliance, clear thinking, cleverness, cogency, dexterity, discernment, edge, esprit, farseeingness, farsightedness, flair, foresight, foresightedness, genius, giftedness, gifts, incisiveness, insight, keen-wittedness, keenness, longheadedness, longsightedness, mercurial mind, mucronation, native cleverness, nimble mind, nimble-wittedness, nimbleness, nous, penetration, perception, perceptiveness, percipience, perspicaciousness, perspicacity, perspicuity, perspicuousness, pointedness, prickliness, promptitude, promptness, providence, punctuality, quick parts, quick thinking, quick wit, quick-wittedness, quickness, readiness, ready wit, sagaciousness, sagacity, savvy, sensibility, sharp-wittedness, sharpness, sleeplessness, smartness, smarts, spinosity, sprightly wit, talent, thorniness, trenchancy, wakefulness, a thing for, ability, admissibility, affinity, an ear