BIG

noun

1. Someone or something that is large in stature
2. An important or powerful person; a celebrity; a big name.
3. (as plural) The big leagues, big time.

verb

1. To praise, recommend, or promote.

adjective

1. Of great size, large.
2. (of an industry or other field, often capitalized) Thought to have undue influence.
3. Popular.