aha
1 of 1interjection/ɑˈhɑ/
1
used to express sudden realization, understanding, or surprise
- Aha!So that's where I left my keys!
- Aha!You're the one who won the competition, aren't you?
- Aha!I've been looking for this book everywhere.
- Aha!I finally understand how this puzzle works.