The phrase "already knowledgeable about" is correct and usable in written English.
It can be used when referring to someone who has prior knowledge or understanding of a particular subject or topic.
Example: "The students in this class are already knowledgeable about basic programming concepts, which will help them grasp more advanced topics quickly."
Alternatives: "previously informed about" or "already familiar with".
This ridiculous video wouldn't convince anyone who wasn't already knowledgeable about science, but what about the vast majority who aren't?
For developers, lawyers and others who are already knowledgeable about local zoning, the process usually takes a few weeks until they can read up on current applications.
The co-authors envisioned health fiduciaries undergoing up to a year's training (those already knowledgeable about medical matters and end-of-life decisions would probably need far less), followed by certification in individual states.
And they said they chose J.P. Morgan to work as an adviser on the takeover because the state needed to act quickly, and Morgan was among the firms that were already knowledgeable about the deal.
This is not to say that social entrepreneurs aren't already knowledgeable about socioeconomics or vocal about social justice, or that they are not working with strong theories of change; many are laudably leading the charge.
We might have selected persons who were interested in the topic and who were already knowledgeable about the topic.
Increasing knowledge about healthy eating among those already at risk, and who are already relatively knowledgeable about the diabetes-diet link, may therefore not be as important in facilitating healthy eating as other factors not measured in this research, such as the perceived risk and consequences of developing diabetes.
On the other hand, highly educated women may already be knowledgeable about their health and involved in self-care, but caring for a child may leave less time for self-care.
In Budapest I attended an event about Smart Cities at the new Impact Hub, I went to the International Art Market where I saw some works exploring global warming, but of course the audiences here were niche and already 'converted' or knowledgeable about the issues.
By the time Mr. Jeffords was summoned on Tuesday to meet with Vice President Dick Cheney and, later, with President Bush, he had already made up his mind, said several Republicans knowledgeable about the meetings.
We were looking for people trained by one of the top large pharmaceutical companies; who were already servicing the geographic area of interest; who were knowledgeable about, and had experience with, the designated therapeutic area.
