納得します（なっとくします、naっtokushimasu）
- be convinced

The Japanese verb 納得します (pronounced nattoku shimasu) generally means "to understand," "to be convinced," "to accept," or "to agree." It implies that you have comprehended something, found it reasonable, and are satisfied with it. It often suggests a feeling of agreement or a sense of things making sense. The feeling is frequently accompanied by a feeling of coming to a conclusion or finally understanding something that was previously unclear. Essentially, it reflects a state of being satisfied with a conclusion or decision. The word conveys a sense of intellectual or emotional agreement after considering the given information.

⚫︎その説明に納得しました。 Translation: I understood that explanation. / I was convinced by that explanation. ⚫︎彼の意見に納得します。 Translation: I agree with his opinion. ⚫︎この価格に納得できます。 Translation: I can accept this price.

⚫︎納得します is a versatile verb used in various situations where you've come to a point of understanding or agreement. ⚫︎You can use it when you've understood an explanation, agreed with a proposal, or accepted a situation. ⚫︎It's polite and appropriate in many formal and informal contexts. ⚫︎The polite form, 納得します, is suitable for most everyday conversations. The dictionary form is 納得する. ⚫︎ The casual form is 納得した, and the negative form is 納得しません. ⚫︎ It is frequently used after someone has explained something to you or presented an argument. ⚫︎ It suggests you've considered the information and reached an internal conclusion that you find satisfactory. ⚫︎ The word is often used to show you have been convinced by someone's reason or have understood the reason for something.

⚫︎ The word is typically written in kanji and hiragana: 納得します. ⚫︎ 納得 itself is the kanji compound. The kanji 納 (na) means "to store, to supply, to pay," and 得 (toku) means "to gain, to obtain, to understand." ⚫︎ します (shimasu) is the polite verb ending for "to do." ⚫︎ Other forms include: 納得する (nattoku suru) - to understand, 納得した (nattoku shita) - understood/was convinced, 納得します (nattoku shimasu) - will understand/am convinced (polite present/future), 納得し (nattoku shi) - stem. ⚫︎ The okurigana is standard, with the full word written 納得します.

⚫︎ 理解する (rikai suru) - to understand ⚫︎ 同意する (doui suru) - to agree ⚫︎ 承知する (shouchi suru) - to understand, to be aware of (more formal) ⚫︎ 合意する (goui suru) - to agree (more formal) ⚫︎ 分かる (wakaru) - to understand (casual) ⚫︎ 信じる (shinjiru) - to believe, to trust (often implies acceptance) ⚫︎了する (ryousuru) - to understand, to be aware of (very formal)

⚫︎ 納得しない (nattoku shinai) - to not understand, to not be convinced ⚫︎ 反対する (hantai suru) - to oppose ⚫︎ 異議を唱える (igi o utaeru) - to object, to protest ⚫︎ わからない (wakaranai) - do not understand

先生の説明を聞いて、その問題の解き方に納得しました。 ⚫︎Translation: After listening to the teacher's explanation, I understood how to solve that problem. ⚫︎Explanation: The speaker understood and accepted the teacher's explanation. The feeling is usually associated with being convinced of something.

彼の説明を聞いて、私は彼の言い分に納得しました。 ⚫︎Translation: After hearing his explanation, I was convinced by his arguments. ⚫︎Explanation: The speaker now agrees with his reason after listening to his explanation.

The word 納得 is a compound word formed from the kanji 納 (na) meaning "to store, to supply, to pay" and 得 (toku) meaning "to gain, to obtain, to understand." Combining these characters suggests the idea of "gaining understanding" or "obtaining a sufficient reason." The verb ending します (shimasu) is a polite verb conjugation. Therefore, the etymology of 納得します implies acquiring and keeping understanding.