Synonyms for Trustworthily:

• adv.

  •reliably (adverb)
  • faithfully,
  • dependably,
  • reliably,
  • certainly.
  •truthfully (adverb)
  • straightforwardly,
  • ethically,
  • factually,
  • frankly,
  • truthfully,
  • honorably,
  • sincerely,
  • earnestly,
  • honestly,
  • candidly.

• Other synonyms:

  •adv
  • conscientiously,
  • decently,
  • devotedly,
  • laudably,
  • loyally,
  • morally,
  • respectably,
  • righteously,
  • staunchly,
  • steadfastly,
  • submissively,
  • uprightly.

Antonyms for Trustworthily:

• adv.

  • morally
    dishonorably, worthlessly, wrongly.