Synonyms of the word

rationality

• n. Quality or state of being rational; agreement with reason; possession of reason; due exercise of reason;…
• n. Objectivity, considerateness.

logicality

• n. The condition of being logical.

logicalness

• n. The quality of being logical.

rationalness

• n. (archaic) The quality or state of being rational.

reason

• n. A cause.
• n. (uncountable) Rational thinking (or the capacity for it); the cognitive faculties, collectively, of conception,…
• n. (obsolete) Something reasonable, in accordance with thought; justice.
• n. (mathematics, obsolete) Ratio; proportion.
• v. (intransitive) To exercise the rational faculty; to deduce inferences from premises; to perform the process…
• v. (intransitive) Hence: To carry on a process of deduction or of induction, in order to convince or to confute;…
• v. (intransitive) To converse; to compare opinions.
• v. (transitive) To arrange and present the reasons for or against; to examine or discuss by arguments; to…
• v. (transitive, rare) To support with reasons, as a request.
• v. (transitive) To persuade by reasoning or argument.
• v. (transitive, with down) To overcome or conquer by adducing reasons.
• v. (transitive, usually with out) To find by logical process; to explain or justify by reason or argument.

reasonableness

• n. (uncountable) The state or characteristic of being reasonable.
• n. (countable) A reasonable action or behaviour.

saneness

• n. The property of being sane.

sanity

• n. The condition of being sane.
• n. Reasonable and rational behaviour.