Perceiving or inferring something from someone's appearance or a situation; a conjecture or the ability to sense things.
彼の顔色を見て、何かあったと察した。
Seeing his expression, I sensed that something had happened.
察しがいい人は相手の気持ちにすぐ気づく。
A perceptive person notices other people's feelings quickly.
この状況から問題が大きいと察しがついた。
From this situation, I could infer that the problem was serious.