2.
Relating to perception and the acquiring of knowledge
3.
One who is very knowledgeable about a subject and has great taste/discernment in that area
4.
A commonly know emotional or cultural association or meaning of a word
5.
Well-known, especially for doing something wrong or criminal
6.
Scouting or exploring an area to gather intelligence
7.
To add notes or comments to a text
8.
Believing that the ultimate reality (especially relating to God) cannot be known