They might not have been wholly intellectual in their costuming, but their message was multilayered.
And the costuming of the soft-focus heroine is feminine, maternal and homey.
There is a lot of elaborate make-up and costuming, and then a UFO arrives.
1715, "style of dress," an art term, from French costume (17c.), from Italian costume "fashion, habit," from Latin consuetudinem (nominative consuetudo) "custom, habit, usage." Essentially the same word as custom but arriving by a different etymology. From "customary clothes of the particular period in which the scene is laid," meaning broadened by 1818 to "any defined mode of dress." Costume jewelry is first attested 1933.
1823, from costume (n.). Related: Costumed; costuming.