pretension (n.)

mid-15c., "assertion, allegation; objection; intention; signification," from Medieval Latin pretensionem (nominative praetensio), noun of action from past participle stem of Latin praetendere "stretch in front, put forward, allege" (see pretend (v.)). Meaning "unproven claim" is from c. 1600. Sense of "ostentation" is from 1727.