Apprehensive

Ap·pre·hen·sive

Capable of apprehending, or quick to do so; apt; discerning.
It may be pardonable to imagine that a friend, a kind and apprehensive . . . friend, is listening to our talk.
— Hawthorne.
Knowing; conscious; cognizant. [R.]
A man that has spent his younger years in vanity and folly, and is, by the grace of God, apprehensive of it.
— Jer. Taylor.
Relating to the faculty of apprehension.
Judgment . . . is implied in every apprehensive act.
— Sir W. Hamilton.
Anticipative of something unfavorable' fearful of what may be coming; in dread of possible harm; in expectation of evil.
Not at all apprehensive of evils as a distance.
— Tillotson.

Reformers . . . apprehensive for their lives.
— Gladstone.
Sensible; feeling; perceptive. [R.]
Thoughts, my tormentors, armed with deadly stings, Mangle my apprehensive, tenderest parts.
— Milton.