σωστός

Etymology
From.

Adjective

 * 1) safe

Etymology
Inherited from the Hellenistic. The modern meaning ("correct"), since the mediaeval period. Verbal adjective of the ancien verb, modern , hence literally "safe and sound; secure; sure, certain".

Adjective

 * 1) correct, right
 * 2) real, true
 * 3)  well-mannered, well-behaved
 * 1) real, true
 * 2)  well-mannered, well-behaved