Appreciative OF or FOR? Which is correct?

“Of” is the correct preposition that goes with the adjective  “appreciative”.

Appreciative is the adjective connected to the verb “to appreciate

Appreciative of

We always use “of” with the word “appreciative”

I am very appreciative of your work.

He is appreciative of everything you have done for him.

Appreciative for

“Appreciative for” seems to be correct because appreciative means grateful or thankful and both of those words use the preposition “of”.

He is appreciative for the cake.