| hot stuff(expression, crackerjack, whiz, powerhouse) |
| hot tamale(expression, smart, skillful, nimble-witted) |
| hotshot(smart, skillful, crackerjack, whiz, powerhouse) |
| hyper(smart, skillful, nimble-witted) |
| imagination(intelligence, intellect, talent, cleverness, mastermind) |
| immortal |
| in to(expression, smart, skillful, nimble-witted) |
| inclination(intelligence, intellect, talent, cleverness, mastermind) |
| ingenuity(intelligence, intellect, talent, cleverness, mastermind) |
| inspiration(intelligence, intellect, talent, cleverness, mastermind) |
| institute(intelligentsia, intellects, intellectuals) |
| instructors(intelligentsia, intellects, intellectuals) |
| intellects(intelligentsia, intellectuals) |
| intellectual giant |
| intellectuals(intelligentsia, intellects) |
| inventiveness(intelligence, intellect, talent, cleverness, mastermind) |
| knack(intelligence, intellect, talent, cleverness, mastermind) |
| know stuff(expression, smart, skillful, nimble-witted) |
| laureate |
| lecturers(intelligentsia, intellects, intellectuals) |