Here's a breakdown:
* Appreciative of: This is used when you express general gratitude** for something or someone. It emphasizes the feeling of appreciation itself.
* Example: "She was appreciative of the beautiful flowers he sent."
* Example: "I'm appreciative of the opportunity to work with such a talented team."
* Appreciative for: This is used when you express specific gratitude** for something someone has done. It emphasizes the action or benefit received.
* Example: "I'm appreciative for your help with the project."
* Example: "We are appreciative for your generosity in donating to our cause."
It's important to note:
* While "appreciative of" is generally more common, "appreciative for" is perfectly acceptable in formal writing.
* In some cases, either preposition can be used without significantly altering the meaning.
Ultimately, choosing between "for" and "of" depends on the specific context and the emphasis you wish to convey.