思い当たる

おもいあたるomoiataru

godan verb · intransitive

1. to suddenly understand (esp. on basis of experience or memory)
2. to come to mind
3. to recall (in a flash)
4. to be reminded of
5. to call to mind
6. to think of
7. to strike on
8. to hit on an answer

Study it in Yanamino