Frequency: The word is one of the 3000 most common words in English.
1.
Someone who is ~ is important.
...a ~ member of the Law Society.
= well-known
ADJ
2.
Something that is ~ is very noticeable or is an important part of something else.
Here the window plays a ~ part in the design.
ADJ
~ly
Trade will figure ~ly in the second day of talks in Washington...
ADV: ADV with v