sightful

comparative more sightful · superlative most sightful

1. obsoleteEasily or clearly seen; distinctly visible; perspicuous

   for sadness and affliction not only diminisheth and consumeth the moisture of the brain, but also drieth up the bones, with which quality the understanding groweth more sharp and sightful.

   1594, Richard Carew, The Examination of Men's Wits

2. Having full sight; clear-sighted; perspicacious and discerning; observant

   While polling trends can be interesting and even sightful, again, the only meaningful poll is on Election Day

   2008, NW Progressive Blog