Fascinating
Part of speech: adjective
Definition: Having interesting qualities; captivating; attractive.
Part of speech: verb
Definition: To evoke an intense interest or attraction in someone.
Example sentence: Resveratrol is fascinating stuff. One of the best sources of information about it is the Immortality Institute. They have a forum where some people are in the 500 Club, as they call it. They've been taking 500 milligrams for years. It's a really great source of data.
Absorbing
Part of speech: adjective
Definition: Engrossing.
Part of speech: verb
Definition: To include so that it no longer has separate existence; to overwhelm; to cause to disappear as if by swallowing up; to incorporate; to assimilate; to take in and use up.