ὀρθό-της,ητος,ἡ,
A. upright posture, erectness,
X. Mem. 1.4.11 ; of man, Arist. PA 658a22 , al.
2. straightness,opp.κάμψις,ib. 654b5 .
3. fixity,
ὀμμάτων
Hp. Coac. 223
.
II. metaph.,rightness,
correctness,
τῶν ἐπῶν
Ar. Ra. 1181
; λογισμῶν
Pl. Ti. 47c
; μουσικῆς
Id. Lg. 655d
; λόγων
Gorg. Fr. 6