Sincerity(n.) The quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense; sincereness.
Thesaurus Entries
abandon, absolute realism, ardency, ardor, artlessness, authenticity, bluffness, bluntness, bona fideness, broadness, brusqueness, candidness, candor, childlikeness, commitment, committedness, decidedness, decision, decisiveness, dedication, definiteness, determinateness, determination, determinedness, devotedness, devotion, devoutness, directness, earnestness, faith, faithfulness, fervency, fervidness, fervor, fidelity, fire, forthrightness, frankness, freedom, freeness, genuineness, guilelessness, heartiness, heat, heatedness, honesty, impassionedness, inartificiality, ingenuousness, innocence, intensity, intentness, legitimacy, lifelikeness, literalism, literality, literalness, loyalty, naiveness, naivete, naivety, naturalism, naturalness, obstinacy, openheartedness, openness, outspokenness, passion, passionateness, perseverance, persistence, photographic realism, plain dealing, plain speaking, plainness, plainspokenness, purpose, purposefulness, realism, realness, relentlessness, resoluteness, resolution, resolve, resolvedness, roundness, self-will, seriousness, simpleheartedness, simplemindedness, simpleness, simplicity, single-heartedness, single-mindedness, singleness of heart, spirit, straightforwardness, tenacity, total commitment, true-to-lifeness, trustfulness, truth to nature, truthfulness, unadulteration, unaffectedness, unconstraint, unfictitiousness, unguardedness, unreserve, unrestraint, unsophisticatedness, unsophistication, unspeciousness, unspuriousness, unsuspiciousness, unsyntheticness, unwariness, uprightness, vehemence, verisimilitude, warmth, will, zeal