Similar words: authentic, enticing, authority, felicity, beautician, duplicity, publicity, lubricity. Meaning: [‚ɔːθen'tɪsətɪ] 
n. undisputed credibility.
n. undisputed credibility. (151) These energies will draw forth your deepest emotions, allowing you to express them with authenticity.
(152) Lao Tzu looks for actuality from nonentity, looks for movement from stillness, looks for mightiness from limpness. They are the authenticity content of life.
More similar words: authentic, enticing, authority, felicity, beautician, duplicity, publicity, lubricity, complicity, ethnicity, electricity, enticement, anticipate, romanticism, infanticide, anticipation, entity, entice, nonentity, identity, identical, identically, apprentice, essentiality, identical twin, apprenticeship, confidentiality, author, authorize, authorities.