The phrase "able to apprehend" is correct and usable in written English.
It can be used when discussing someone's capacity to understand or grasp a concept or situation.
Example: "The students were finally able to apprehend the complex theories presented in the lecture."
Alternatives: "capable of understanding" or "able to grasp".
Religion provided truth in a symbolic form to nonphilosophers, who were not able to apprehend it in its purer forms.
To protect Native women, tribal authorities must be able to apprehend, charge and try rapists — regardless of race.
You may not be able to apprehend them or they may be elusive, but they are there".
It seems that where folks are up to no good the Commonwealth tends to be able to apprehend them.
When he saw Detective Paul Headley moving toward Mr. Benefield, "I knew he would be able to apprehend this person, no problem," he said.
"I would hope with so much information in their hands the government would have been able to apprehend them," she said, "but I can understand the difficulties".
Douglas Adams, author (1952 2001)"On two occasions I have been asked, 'Pray, Mr Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question".
Meinong thinks that all inner experiences and all parts of them are able to be apprehended through self-presentation.
Thus, a free people will be governed by a law that is not arbitrary, but rather corresponds to what is fit, and is able to be apprehended by reason.
They are able to track his location but are unable to apprehend him as he disappears into a crowd.
For example, in supporting the students' use of theoretical knowledge in understanding the clinical situation, or to be able to discern and apprehend the most important information to learn from a clinical situation that might be useful in other situations.
