What does 心得る mean?
心得る is a Japanese verb meaning “to understand, to have thorough knowledge” in English. It can also be translated as “to (understand and) accept (a responsibility), to have a knowledge of (a skill, art, etc.)” depending on context. It is written as 心得る in kanji, こころえる in hiragana, and kokoroeru in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
彼女は夫の心理を心得ている。
She knows her husband's psychology.