Meanings of trained faculties in English

Which of his trained faculties will he have scope for in that new order of things?

Gavin Brice bent his trained faculties.

I expect that, with your trained faculties, you were able to remark other details of a suggestive nature.

He had watched the development of Lurida's intelligence from its precocious nursery-life to the full vigor of its trained faculties.

She does not ask for sedatives, but for some high stimulus to call into play her strong and well- trained faculties.

All the time his trained faculties of an excellent investigator, who scorns no chance of information, followed the self-satisfied, disjointed loquacity of the constable.