What is the meaning of true?

noun

• Proper alignment; the property possessed by something that is in correct or proper alignment.
  • usage: "out of true"

verb

• Make level, square, balanced, or concentric.
  • usage: "true up the cylinder of an engine"
  • synonyms: true up

adjective

• Consistent with fact or reality; not false.
  • usage: "the story is true"; "it is undesirable to believe a proposition when there is no ground whatever for supposing it true- B. Russell; "the true meaning of the statement"
• Accurately placed or thrown.
  • usage: "his aim was true"; "he was dead on target"
  • synonyms: dead on target
• Devoted (sometimes fanatically) to a cause or concept or truth.
  • usage: "true believers bonded together against all who disagreed with them"
• Expressing or given to expressing the truth.
  • usage: "a true statement"; "gave truthful testimony"; "a truthful person"
  • synonyms: truthful
• Conforming to definitive criteria.
  • usage: "the horseshoe crab is not a true crab"; "Pythagoras was the first true mathematician"
• Worthy of being depended on.
  • usage: "a dependable worker"; "an honest working stiff"; "a reliable sourcSFLe of information"; "he was true to his word"; "I would be true for there are those who trust me"
  • synonyms: dependable, honest, reliable
• Not pretended; sincerely felt or expressed.
  • usage: "genuine emotion"; "her interest in people was unfeigned"; "true grief"
  • synonyms: genuine, unfeigned
• Rightly so called.
  • usage: "true courage"; "a spirit which true men have always admired"; "a true friend"
• Determined with reference to the earth's axis rather than the magnetic poles.
  • usage: "true north is geographic north"
• Having a legally established claim.
  • usage: "the legitimate heir"; "the true and lawful king"
  • synonyms: lawful, rightful
• In tune; accurate in pitch.
  • usage: "a true note"
  • synonyms: on-key
• Accurately fitted; level.
  • usage: "the window frame isn't quite true"
  • synonyms: straight

adverb

• As acknowledged.
  • usage: "true, she is the smartest in her class"
  • synonyms: admittedly, avowedly, confessedly