Yes, thrill is a Scrabble word!

Verb

1. Cause to be thrilled by some perceptual input

2. Feel sudden intense sensation or emotion

3. Tremble convulsively, as from fear or excitement

4. Fill with sublime emotion

Noun

1. The swift release of a store of affective force

2. An almost pleasurable sensation of fright

3. Something that causes you to experience a sudden intense feeling or sensation