intuitive
in-TOO-ih-tivadjMeaning known or understood without reasoning it out; also, easy to understand
Memory hook IN-TO-IT: she just KNOWS. Rosa says “I’m fine!” with a smile, but Lila can tell at once that something is wrong; she just knows, without a single clue: Lila is intuitive.
The new phone was so intuitive that Grandma used it without reading the manual.
In context Maya had an intuitive grasp of geometry; she often knew the answer to a problem before she could explain how she got it.
Similar instinctive, perceptive, natural
Opposite analytical, reasoned
From Latin intueri, “to look at, consider”: in- (at) + tueri (to look).