accelerando, acceleration, aggravation, agitation, amplification, animation, annoyance, arousal, arousing, augmentation, beefing-up, blowing up, blowup, chafe, concentration, condensation, consolidation, contentiousness, deepening, deliberate aggravation, deterioration, electrification, embittering, embitterment, enhancement, enlargement, exaggeration, exasperation, excitation, excitement, exhilaration, explosion, fomentation, fret, gall, galvanization, heating-up, heightening, incitement, increase, inflammation, information explosion, infuriation, intensification, irritant, irritation, lathering up, magnification, perturbation, pickup, population explosion, provocation, redoubling, reinforcement, sharpening, souring, speedup, steaming up, step-up, stimulation, stimulus, stirring, stirring up, strengthening, tightening, whipping up, working up, worsening