Synonyms for Tell truth:

• v.

  •level (verb)
  • tell the truth,
  • be up-front,
  • come to terms,
  • be above-board,
  • keep nothing back,
  • be on the up and up,
  • be open,
  • be straight,
  • be straightforward,
  • talk straight,
  • come clean,
  • be frank.
  •own (verb)
  • avow,
  • own up,
  • allow,
  • confess,
  • assent to,
  • grant,
  • disclose,
  • let on,
  • recognize,
  • make clean breast of,
  • concede,
  • declare.

Antonyms for Tell truth:

• v.

  • level
    deceive, lie.
  • own
    reject, disavow, deny.