sesthetic, æsthetical (sometimes thetic)

[In Fr. esthétique · Gr. αίσθη τικός (aisthetikos) = of or from perception, perceptive; αἴσθησις ( a is thesis ) = perception. [AISTHESIA.] Pertaining to the science of æsthetics. "Many years ago I met with a quotation from a German author to the effect that the æsthetic senti. ments originate from the play-impulse.-Herbert Spencer: Principles of Physiology , vol. 11., § 533. æs-the-tic-al-ly, adv. [Eng. æsthetical; -ly.] In an æsthetic manner.