Synonyms for Straight stuff:

• n.

  •actuality (noun)
  • materiality,
  • truth,
  • materialization,
  • brass tacks,
  • reality,
  • achievement,
  • attainment,
  • fact,
  • real world,
  • substance,
  • actualization.
  •grounds (noun)
  • foundation,
  • call,
  • pretext,
  • dope,
  • inducement,
  • chapter and verse,
  • factor,
  • testimony,
  • Underpinning,
  • account,
  • excuse,
  • seat,
  • argument,
  • groundwork,
  • occasion,
  • antecedent,
  • justification,
  • wherefore,
  • information,
  • trial,
  • rationale,
  • substratum,
  • motive,
  • goods,
  • test,
  • base,
  • root,
  • reason,
  • bedrock,
  • demonstration,
  • cause,
  • footing,
  • evidence,
  • why.
  •proof (noun)
  • data,
  • picture,
  • averment,
  • credentials,
  • corroboration,
  • warrant,
  • exhibit,
  • cue,
  • nitty-gritty,
  • confirmation,
  • score,
  • establishment,
  • affidavit,
  • skinny,
  • documents,
  • case,
  • validation,
  • scoop,
  • attestation,
  • criterion,
  • verification,
  • record,
  • witness,
  • clue,
  • clincher,
  • trace,
  • reasons,
  • testament,
  • deposition,
  • smoking gun.
  •veraciousness (noun)
  • veridicality.
  •veracity (noun)
  • honesty,
  • exactitude,
  • verisimilitude,
  • probity,
  • sincerity,
  • integrity,
  • openness,
  • candor,
  • trueness,
  • rectitude,
  • gospel,
  • Real Mccoy,
  • impartiality,
  • veraciousness,
  • verity,
  • fidelity,
  • fairness,
  • precision,
  • accuracy,
  • like it is,
  • uprightness,
  • truism,
  • trustworthiness,
  • exactness,
  • honest-to-god truth,
  • rightness,
  • veracity,
  • truthfulness,
  • authenticity,
  • word,
  • correctness,
  • genuineness,
  • honor,
  • credibility,
  • frankness.

• Other synonyms:

  •n.
  • actuality,
  • certification,
  • determinant,
  • grabber,
  • ground,
  • grounds,
  • info,
  • infrastructure,
  • numbers,
  • proof,
  • substantiality,
  • substantiation,
  • paper trail,
  • Certifications,
  • facts,
  • grabbers,
  • determinants,
  • skinnies,
  • lowdown,
  • in formation,
  • infra-structure,
  • nitty gritty,
  • substantialities,
  • what it is,
  • wherefores,
  • whyfor.

Antonyms for Straight stuff:

• n.

  • actuality
    forfeit, failure, lie.
  • grounds
    discouragement, annex, hindrance.
  • proof
    theory, hypothesis.
  • veracity
    falsity, lying, imprecision, unfairness, inexactness, deceit, falsehood, falseness, inaccuracy, infidelity, dishonesty.