legend – n. a famous or important person who is known for doing something extremely well
TESOL – n. Teaching English to Speakers of Other Languages, the teaching of English as a second language
sofa – n. a long and comfortable piece of furniture on which a person can sit or lie down
carpet – n. a heavy fabric cover for a floor
old-fashioned – adj. no longer used or accepted : replaced by something more recent
deleterious – adj. damaging or harmful
component – n. one of the parts of something (such as a system or mixture) : an important piece of something
practitioner – n. a person actively engaged in an art, discipline, or profession
academic – adj. of or relating to schools and education
academic – n. a person who is a teacher in a college or university
Learners can find many answers to grammar questions at the Azar Grammar Exchange.