I appreciate him/her/it
Il est assez mignon mais je ne sais pas si je l'apprécie.
He’s quite cute, but I don’t know if I like him.
I appreciate it.
Je l'apprécie parce qu'il est honnête.
I appreciate him because he is honest.
I appreciate it very much.
Plus je le connais, plus je l'apprécie.
The more I get to know him, the more I like him.
I really appreciate it.
I really appreciate him!
Je l'apprécie, en quelque sorte.
I appreciate him, in a way.