Apprehensive

a.	1.	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.
	2.	Knowing; conscious; cognizant. A man that has spent his younger years in vanity and folly, and is, by the grace of God, apprehensive of it. - Jer. Taylor.
	3.	Relating to the faculty of apprehension. Judgment . . . is implied in every apprehensive act. - Sir W. Hamilton.
	4.	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.
	5.	Sensible; feeling; perceptive. Thoughts, my tormentors, armed with deadly stings, Mangle my apprehensive, tenderest parts. - Milton.

Adj.	1.	apprehensive - quick to understand; "a kind and apprehensive friend"- Nathaniel Hawthorne Synonyms: discerning
	2.	apprehensive - mentally upset over possible misfortune or danger etc; worried; "anxious parents"; "anxious about her job"; "not used to a city and anxious about small things"; "felt apprehensive about the consequences" Synonyms: anxious
	3.	apprehensive - in fear or dread of possible evil or harm; "apprehensive for one's life"; "apprehensive of danger"

agitated, alive, all nerves, all-knowing, all-overish, anxioused up, apperceptive, appercipient, apprehending, awake, aware, cognizant, comprehending, conscious, disquieted, disturbed, edgy, excitable, fearful, foreboding, frightened, high-strung, in a pucker, in a stew, in suspense, insightful, intelligent, irritable, keyed-up, knowing, knowledgeable, mindful, misgiving, nerves on edge, nervous, nervy, omniscient, on edge, on tenterhooks, on tiptoe, overanxious, overapprehensive, overstrung, panicky, perceptive, percipient, perspicacious, prehensile, qualmish, qualmy, quivering, sagacious, sensible, sentient, shrewd, solicitous, strained, suspenseful, taut, tense, understanding, ware, wise, with bated breath, with muscles tense, witting, zealous