mood

angle, attitude, mind-set, outlook, perspective, slant, standpoint, viewpoint

emotion, feeling, heart, passion, sentiment

strain

belief, conviction, judgment (or judgement), mind, opinion

expression, tone, vein

character, disposition, identity, individuality, makeup, mettle, personality, selfhood, self-identity, temper, temperament

responsiveness, sensibility, sensitiveness, sensitivity

aureole (or aureola), mystique, romance

genius loci

feel, feeling, sensation, sense, spirit

attribute, character, characteristic, image, mark, notion, peculiarity, picture, property, trait

color, illusion, overtone, semblance, suggestion, tone

aggravation, annoyance, exasperation, irritation, vexation

acrimoniousness, acrimony, animosity, antagonism, antipathy, bile, biliousness, bitterness, contempt, embitterment, empoisonment, enmity, grudge, hostility, rancor

envy, jaundice, jealousy, pique, resentment

malevolence, malice, spite, vengefulness, venom, vindictiveness, virulence, vitriol

belligerence, contentiousness, contrariness, crankiness, disputatiousness, hot-headedness, irascibility, irascibleness, irritability, orneriness, pugnaciousness, pugnacity, quarrelsomeness, querulousness

blowup, flare, flare-up, outburst

chafe, dander, dudgeon, huff, pet, rise, ruffle, temper

air rage, road rage

delirium, heat, passion, warmth