noun, noun or participle which takes 'suru', intransitive verb
consent; agreement; understanding; conviction
Formal noun or する-verb expressing that one has fully understood and accepted something, often after explanation or consideration. Implies both intellectual understanding and emotional satisfaction.
彼の説明を聞いてようやく得心した。
After hearing his explanation, I finally understood and was convinced.
両親の得心を得てから留学を決めた。
I decided to study abroad after obtaining my parents' consent.