in·sight·ful 
(ĭn-sītfəl, ĭnsīt′-)
(ĭn-sītfəl, ĭnsīt′-)adj.
Showing or having insight; perceptive.
in·sightful·ly adv.
in·sightful·ness n.
- gravitational
- gravitational collapse
- gravitational constant
- gravitational force
- gravitational interaction
- gravitational lens
- gravitational lensing
- gravitationally
- gravitational potential
- gravitational singularity
- gravitational wave
- gravitative
- gravitino
- graviton
- gravitropic
- gravitropism
- gravity
- gravity assist
- gravity wave
- gravlax
- gravure
- gravy
- gravy boat
- gravy train
- gray