the mind > mental capacity > knowledge > conformity with what is known, truth > disregard for truth, falsehood > lie, tell lies [verb (intransitive)] > be evasive (6)
To depart from the truth. Obsolete. rare.
intransitive. To depart from the truth. Obsolete.
figurative. To deviate from a straightforward course, or from the truth.
intransitive. In bad sense: ‘To mean one thing and express another’ (Johnson); to prevaricate.
Slang. intransitive. To bluff, to lie; also transitive, to falsify (accounts, etc.).
transitive and intransitive, to talk nonsense (to); = bull, v.3; also, to bluff one's way through (something) by talking nonsense.