Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class VI. Words Relating to the Sentient and Moral Powers
Section II. Personal Affections
5. Extrinsic Affections

882. Ostentation.

   NOUN:OSTENTATION, display, show, coup d’ œil [F.], flourish, parade, étalage [F.], pomp, magnificence, splendor, pageantry, array, state, solemnity; dash [colloq.], splash [colloq.], splurge [colloq.], glitter, strut, pomposity, pompousness; pretense, pretensions, showing off; fuss; grand doings.
  DEMONSTRATION, flying colors; flourish of trumpets (celebration) [See Celebration]; pageant, spectacle, exhibition, exposition, procession, turnout [colloq.], set out; grand function; fête, gala, field day, review, march past, promenade, “insubstantial pageant” [Tempest].
  coup de théâtre [F.], stage effect, stage trick; claptrap; mise en scène [F.], tour de force [F.], chic [colloq., F.].
  DRESS; court -, full -, evening -, ball -, fancy- dress; tailoring, millinery, man millinery, frippery; foppery, equipage.
  CEREMONY, ceremonial, ritual, form, formality, etiquette, puncto [obs.], punctilio, punctiliousness, starchedness, stateliness.
  mummery, solemn mockery, mouth honor; tomfoolery; attitudinarianism.
  ATTITUDINARIAN; fop [See Fop]; no modest violet.
   VERB:BE OSTENTATIOUS &c. adj.; come forward, put oneself forward, attract attention, star; make -, cut- a -figure, – dash, – splash, – splurge [all colloq.]; strut; blow one’s own trumpet; have no false modesty; figure; make a show, – display; glitter.
  SHOW OFF, show one’s paces; parade, march past; display, exhibit, put forward, hold up; trot out [slang], hand out; sport [colloq.], brandish, blazon forth; dangle, – before the eyes; cry up (praise) [See Approbation]; prôner [F.], flaunt, emblazon, prink, set off, mount, have framed and glazed.
  put on the mask; put a -good, – smiling- face upon; clean the outside of the platter (disguise) [See Falsehood].
   ADJECTIVE:OSTENTATIOUS, showy, dashing, pretentious, jaunty or janty, grand, pompous, high-sounding; turgid &c. (big-sounding) [See Ornament]; garish or gairish; gaudy, – as a -peacock, – butterfly, – tulip; flaunting, flashing, flaming, glittering; gay (ornate) [See Ornament].
  splendid, magnificent, sumptuous, palatial.
  THEATRICAL, theatric, dramatic, spectacular, scenic, scenical; dramaturgic or dramaturgical.
  CEREMONIAL, ritual, ritualistic; solemn, stately, majestic, formal, stiff, ceremonious, punctilious, starched, starchy.
  en grande tenue [F.], in one’s best bib and tucker [colloq.], in one’s Sunday best, endimanché [F.], chic [colloq., F.].
   ADVERB:with flourish of trumpet, with beat of drum, with flying colors, with a brass band; at the head of the procession; with no false modesty. ad captandum vulgus [L.].
  1. Honores mutant mores.
  2. Hell is paved with big pretensions.—Cynic’s Calendar