'Rationality' definitions:

Definition of 'rationality'

From: WordNet
noun
The state of having good sense and sound judgment; "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions" [syn: rationality, reason, reasonableness]
noun
The quality of being consistent with or based on logic [syn: rationality, rationalness]

Definition of 'Rationality'

From: GCIDE
  • Rationality \Ra`tion*al"i*ty\ (r[a^]sh"[u^]n*[a^]l"[i^]*t[y^]; 277), n.; pl. -ties (-t[i^]z). [F. rationalit['e], or L. rationalitas.] The quality or state of being rational; agreement with reason; possession of reason; due exercise of reason; reasonableness. [1913 Webster]
  • When God has made rationality the common portion of mankind, how came it to be thy inclosure? --Gov. of Tongue. [1913 Webster]
  • Well-directed intentions, whose rationalities will never bear a rigid examination. --Sir T. Browne. [1913 Webster]

Synonyms of 'rationality'

From: Moby Thesaurus