| head(intelligence, intellect, talent, cleverness, mastermind) |
| hot shot(expression, crackerjack, whiz, powerhouse) |
| hot stuff(expression, crackerjack, whiz, powerhouse) |
| hotshot(crackerjack, whiz, powerhouse) |
| imagination(intelligence, intellect, talent, cleverness, mastermind) |
| inclination(intelligence, intellect, talent, cleverness, mastermind) |
| ingenuity(intelligence, intellect, talent, cleverness, mastermind) |
| inspiration(intelligence, intellect, talent, cleverness, mastermind) |
| intellect(mastermind, prodigy) |
| intelligence(intellect, talent, cleverness, mastermind, prodigy) |
| inventiveness(intelligence, intellect, talent, cleverness, mastermind) |
| knack(intelligence, intellect, talent, cleverness, mastermind) |
| master(crackerjack, whiz, powerhouse) |
| mastermind(intellect, prodigy) |
| mature(intelligence, intellect, talent, cleverness, genius) |
| maturity(intelligence, talent, cleverness) |
| no slouch(expression, crackerjack, whiz, powerhouse) |
| old pro(expression, crackerjack, whiz, powerhouse) |
| old war-horse(expression, crackerjack, whiz, powerhouse) |
| one into(expression, crackerjack, whiz, powerhouse) |