ainsi

Il a resolu le probleme ainsi et tout le monde etait surpris.

He solved the problem in this way and everyone was surprised.

Ainsi, nous pouvons conclure que la situation s'ameliore.

Thus, we can conclude that the situation is improving.

Elle a agi ainsi pour proteger ses proches.

She acted in this way to protect her loved ones.

C'est ainsi que notre histoire a commencé, par hasard.

That's how our story began, by chance.

Ne lui parle pas ainsi, c'est ton grand-père.

Don't speak to him like that, he's your grandfather.