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?

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 …

Jun 5, 2015 · Here are some noun options: (definitions from OED) Closer to what you are asking: technophile: a person who likes or readily adopts technology. More specific and hard-core versions: …

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 …

I would like to create a list of terms, from beginner to expert, using as many terms as possible which represent different levels of expertise. I have constructed by myself: Newbie Novice Rookie