When should I use each of the collocations "knowledgeable about", "knowledgeable on", and "knowledgeable in"?

Mar 11, 2015 · How would I phrase this in a job description? Would I use "knowledge of" or "knowledgeable in"? Knowledge of navigating through large databases.

Is it correct to say, 'Be knowledgeable of' or 'Be knowledgeable about'? (As in, 'Be knowledgeable of the menu'.) (Staff must be knowledgeable of the menu).

Jan 16, 2013 · She tried to figure out how much knowledge my class had of the real Pocahontas. Should I use of or on there?

Apr 19, 2023 · Word that describes someone that has all possible knowledge in some specific field, like an expert.

Aficionado is someone who is very knowledgeable and an expert in a subject. But in this case you are only referring to the person's expertise in one subject. It isn't usually used when talking about a …

Jul 8, 2014 · You're looking to pack a lot into a single word. It's possible someone will come up with something that's eluding me, but I suspect you're going to have to stick with "knowledgeable, …

Dec 11, 2020 · I am writing a paper and I am lost for a phrase to describe the set of topics a person is knowledgeable about. For example: "If someone knows about topic A and also knows about …

Apr 24, 2023 · The question is not exactly a duplicate, as the other questions seek a word for a person with such knowledge, while this one seeks the word for the knowledge itself. Suppose we agree with …

In the sentence: "There was nothing he wasn't knowledgeable, which made him a great hire." Do you need to add an "about" in the end? "There was nothing he wasn't knowledgeable about, which made...