| Main Entry: | |
| Part of Speech: | noun |
| Definition: | capability of the mind; someone with capable mind |
| Synonyms: | ability, acumen, brains, cerebration, comprehension, egghead, genius, intellectual, intellectuality, intelligence, intuition, judgment, mentality, mind, psyche, pundit, reason, savvy, sense, smarts, thinker, understanding, what it takes, wits |
| Antonyms: | ignorance |
| Main Entry: | acumen |
| Part of Speech: | noun |
| Definition: | ability to understand and reason |
| Synonyms: | acuity, acuteness, astuteness, awareness, brains, brilliance, cleverness, comprehension, cunning, discernment, discrimination, farsightedness, good taste, grasp, guile, ingenuity, insight, intellect, intelligence, intuition, judgment, keenness, perception, percipience, perspicacity, perspicuity, refinement, sagacity, sensitivity, sharpness, shrewdness, smartness, smarts, understanding, vision, wisdom, wit |
| Notes: | acumen suggests that keenness relates to a person's mind, whereas acuity suggests that it relates to a person's performance; acumen is something that a person has, whereas acuity is something that a person displays |
| Antonyms: | denseness, ignorance, inability, ineptness, obtuseness, stupidity |
| Main Entry: | apprehension |
| Part of Speech: | noun |
| Definition: | understanding |
| Synonyms: | awareness, comprehension, grasp, idea, intellect, intelligence, judgment, ken, knowledge, notion, perception, perspicacity, thought |
| Antonyms: | imperception, misunderstanding |
| Main Entry: | brain |
| Part of Speech: | noun |
| Definition: | very smart person |
| Synonyms: | Einstein, academician, doctor, egghead, genius, highbrow, intellect, intellectual, mastermind, prodigy, pundit, sage, scholar |
| Antonyms: | dumbo, dumdum, simpleton |
| Main Entry: | brain |
| Part of Speech: | noun |
| Definition: | mind, intelligence |
| Synonyms: | cerebellum, cerebrum, encephalon, gray matter, head, intellect, medulla oblongata, mentality, upper story, wit |
| Antonyms: | body, physicality |
| Main Entry: | depth |
| Part of Speech: | noun |
| Definition: | insight, wisdom |
| Synonyms: | acuity, acumen, astuteness, brain, discernment, intellect, intelligence, keenness, penetration, profoundness, profundity, sagacity, sense, sharpness, weightiness |
| Main Entry: | head |
| Part of Speech: | noun |
| Definition: | ability, intelligence |
| Synonyms: | aptitude, aptness, bent, brains, capacity, faculty, flair, genius, gift, intellect, knack, mentality, mind, talent, thought, turn, understanding |
| Antonyms: | ignorance, inability, stupidity |
| Main Entry: | intelligence |
| Part of Speech: | noun |
| Definition: | ability to perceive, understand |
| Synonyms: | IQ, acuity, acumen, agility, alertness, aptitude, brainpower, brains, brightness, brilliance, capacity, cleverness, comprehension, coruscation, discernment, gray matter, intellect, 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 |
| Main Entry: | mentality |
| Part of Speech: | noun |
| Definition: | state of mind; intelligence |
| Synonyms: | IQ, attitude, brainpower, brains, cast, character, comprehension, disposition, frame of mind, headset, intellect, intelligence quotient, makeup, mental age, mind, mindset, outlook, personality, psychology, rationality, reasoning, routine, sense, turn of mind, understanding, way of thinking, wit |
| Antonyms: | physicality |