convince, conviction

I convinced him of her sincerity.

I convinced him that she was sincere.

I am convinced of her guilt.

I am convinced that she is guilty.

I convinced her to study hard.


「～に納得させる、確信させる」、「～を説得して（・・・）させる」 という意味。



conviction は、名詞形で、「確信、信念」 という意味。