(n) The condition of being abnormal: aberrance, aberrancy, aberration, abnormality, deviance, deviancy, deviation, irregularity, preternaturalness, unnaturalness
(v) To make less severe or more bearable: allay, alleviate, comfort, ease, lessen, lighten, mitigate, palliate, relieve
(n) Anything that arouses curiosity or perplexes because it is unexplained, inexplicable, or secret: conundrum, mystery, perplexity, puzzle, puzzler, riddle
(n) Liable to more than one interpretation: ambiguous, cloudy, inexplicit, nebulous, obscure, uncertain, unclear, vague
(adj) Having or showing profound knowledge and scholarship: learned, lettered, scholarly, wise
(adj) Fired with intense feeling: ardent, blazing, burning, dithyrambic, fervent, fiery, flaming, glowing, heated, hot-blooded, impassioned, passionate, perfervid, red-hot, scorching, torrid.
(adj) Mentally healthy: compos mentis, rational, sane. Idioms: all there, in one's right mind, of sound mind. Admitting light so that objects beyond can be seen: clear, crystal clear, crystalline, limpid, pellucid, see-through, translucent, transparent
(v) To ease the anger or agitation of: appease, assuage, calm (down), conciliate, dulcify, gentle, mollify, pacify, propitiate, soften, soothe, sweeten
(adj) Characterized by unthinking boldness and haste: brash, foolhardy, harum-scarum, hasty, headlong, hotheaded, ill-considered, impetuous, improvident, impulsive, incautious, madcap, precipitant, rash, reckless, slapdash, temerarious, unconsidered
(adj) Characterized by excessive or imprudent spending: extravagant, lavish, profligate, profuse, spendthrift, wasteful.