Synonyms and related words :
afraid, agitated, alive, all nerves, all-knowing, all-overish, anxious, anxioused up, apperceptive, appercipient, apprehending, awake, aware, bothered, cognizant, comprehending, concerned, 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, perturbed, prehensile, qualmish, qualmy, quivering, sagacious, sensible, sentient, shrewd, solicitous, strained, suspenseful, taut, tense, troubled, understanding, uneasy, ware, wise, with bated breath, with muscles tense, witting, zealous,