to receive or obtain from a source or origin.

to keep in mind; remember

to pursue some special line of study, work, etc.; have a specialty.

a general notion or idea.

a word opposite in meaning to another.

a word having the same or nearly the same meaning as another.

terms belonging to a science, art, or specialized subject.

a list at the back of a book, explaining or defining difficult or unusual words in the text.

the set of circumstances or facts that surround a particular event or situation.