IPA: /ɪnˈtjuːɪʃən/
KK: /ɪnˈtuːɪʃən/
The ability to understand or know something without needing to think about it logically; a feeling or instinct about what is true or right.
She had a strong intuition that something was wrong.
Intuition is formed from "in-" (meaning into or within) and "tuere" (meaning to look at or to guard). The word describes the ability to understand or know something instinctively, as if looking within oneself for knowledge.
Think of looking 'within' ('in-') to 'guard' or 'watch over' ('tuere') your instincts — that's how intuition helps you understand things without needing to think about them.