What word or phrase does your mother always say?
late 14c., "visible state or form, figure; mere show," from Anglo-French apparaunce, Old French aparance "appearance, display, pomp" (13c.), from Latin apparentia, abstract noun from aparentem, past participle of apparere (see appear). Meaning "semblance" is recorded from early 15c.; that of "action of coming into view" is mid-15c. Phrase keep up appearances attested from 1760 (save appearances in same sense is 1711).