Synonyms for Real stuff:

• adj.

  •genuine (adjective)
  • honest,
  • good,
  • demonstrable,
  • undoubted,
  • unadulterated,
  • sterling,
  • absolute,
  • bona fide,
  • precise,
  • accurate,
  • veritable,
  • proved,
  • certified,
  • unalloyed,
  • certain,
  • literal,
  • true,
  • actual,
  • authenticated,
  • unquestionable,
  • unvarnished,
  • legitimate,
  • indubitable,
  • original,
  • 24-carat,
  • palpable,
  • -carat,
  • plain,
  • very,
  • official,
  • positive,
  • natural,
  • existent,
  • tested,
  • sound,
  • factual,
  • legit,
  • hard,
  • unimpeachable,
  • exact,
  • whole,
  • pure,
  • valid.
  •honest-to-God (adjective)
  • real,
  • on the level,
  • straight,
  • authentic.

• n.

  •Real Mccoy (noun)
  • Real Mccoy.
  •attribute (noun)
  • real thing.

• Other synonyms:

  •Other relevant words:
  • genuine,
  • honest-to-god.

Antonyms for Real stuff:

• adj.

  • genuine
    unreal, counterfeit, sham, illegitimate, false.

Hyponym for Real stuff:

• n.

  • attribute
    genuineness, legitimacy, authenticity.