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Verb inflections
| Form | Affirmative | Negative |
|---|---|---|
| Present | 納得がいく | 納得がいかない |
| Polite | 納得がいきます | 納得がいきません |
| Past | 納得がいった | 納得がいかなかった |
| Polite + Past | 納得がいきました | 納得がいきませんでした |
| Te-form | 納得がいって | 納得がいかなくて |
| Potential | 納得がいける | 納得がいけない |
| Passive | 納得がいかれる | 納得がいかれない |
| Causative | 納得がいかせる | 納得がいかせない |
| Causative + Passive | 納得がいかされる | 納得がいかされない |
| Imperative | 納得がいけ | 納得がいくな |
Example
彼の説明を聞いて、ようやく納得がいった。
After hearing his explanation, I was finally convinced.
Usage Notes
Used when something is acceptable or logical to one's mind. Often used in the negative 'nattoku ga ikanai' when something doesn't make sense.
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