naively

They naively assume things can only get better.

She naively believed everything he said.

He naively thought he could trust her with his secrets.

They naively assumed that the project would be easy.

She naively thought that everyone would like her idea.

He naively believed that money could solve all his problems.

They naively trusted the stranger with their personal information.

She naively followed the advice without questioning it.

He naively thought that success would come easily.

They naively believed that love conquers all.

She naively trusted that the company had her best interests at heart.