transaction, n. procedure, affair, [deal], [business].
transform, v. transfigure, metamorphose; transmute.
transformation, n. transfiguration, metamorphosis; transmutation.
transgress, v. [violate], [infringe], [disregard].
transgression, n. [violation], [infringement], infraction.
transient, a. [fleeting], transitory, [temporary], impermanent.
translate, v. construe, [render], [interpret].
translation, n. [rendering], [interpretation].
transmogrify, v. (Colloq.) [transform], metamorphose.
transparency, n. diaphaneity, translucency. Antonyms: opacity, intransparency.