This is the 4508th most frequent Japanese word.
察知
"察知" means "to sense, perceive, or detect."
In this sentence, '察知' is used to indicate that the subject is perceiving or realizing the emotions or state of another person in an intuitive way.
彼は彼女の気持ちをすぐに察知した。
He quickly sensed her feelings.
Here, '察知' refers to identifying or detecting physical changes or phenomena using a device or mechanism.
その装置は周囲の温度変化を察知する能力がある。
That device has the ability to detect changes in the surrounding temperature.
In this instance, '察知' conveys the understanding or acknowledgment of an important situation or event, prompting a reaction.