noun 1.Sometimes, esthetician. a person who is versed in
aesthetics, the branch of philosophy dealing with such notions as the beautiful, the ugly, the sublime, the comic, etc., as applicable to the fine arts, with a view to establishing the meaning and validity of critical judgments concerning works of
art, and the principles underlying or justifying such judgments.
2.Usually, esthetician. a person trained to administer facials, advise customers on makeup and the care of skin and hair, etc.:
That new aesthetician gave me a great facial; I swear I look 10 years younger. Compare
beautician ( def 1 ).
Synonyms: facialist, skin care specialist.