| inclination(noun, nature, character, perception, predisposition) |
| incredulity(guess, hunch, instinct) |
| innate knowledge(noun, expression, perception, instinct, insight) |
| insight(noun, impression, guess, perception, hunch) |
| insightfulness(perception, instinct, instinctiveness) |
| instinctiveness(perception, instinct) |
| intuitiveness(noun, impression, guess, perception, hunch) |
| involuntary impulse |
| judgment(noun, susceptibility, responsiveness, receptivity) |
| keen intuition(expression, guess, hunch, instinct) |
| keenness(noun, susceptibility, responsiveness, receptivity) |
| knack(noun, nature, character, perception, predisposition) |
| knee-jerk reaction(noun, response) |
| know-how(noun, nature, character, perception, predisposition) |
| lack of confidence(expression, idiom, guess, hunch, instinct) |
| makeup(noun, nature, character, predisposition) |
| misgiving(guess, hunch, instinct) |
| mistrust(guess, hunch, instinct) |
| nonbelief(guess, hunch, instinct) |
| nose(noun, nature, character, perception, predisposition) |