Synonyms and related words :
activating, alert, alluring, animate, animated, animating, animative, arousal, awakening, awful, bracing, bright, brisk, challenging, cheering, cordial, crisp, crispy, dashing, deadly, dreadful, electrifying, encouraging, energetic, energizing, enlivening, enthusiastic, exciting, exhilarating, exhilarative, fearful, fervent, fresh, frightful, galvanic, galvanizing, gay, horrible, howling, inspiring, inspiriting, intoxicating, invigorating, invigorative, inviting, keen, lively, peppy, piquant, prompting, provocative, provoking, quickening, refreshful, refreshing, regaling, reveille, rude awakening, spirited, sprightly, stimulant, stimulating, stimulative, stirring, terrible, terrific, thumping, tonic, viable, vigorous, vitalizing, whacking, zestful, zesty