For full-grown men (teleiwn). Predicate genitive. The word is for adults, relative perfection (teleioi) in contrast with babes as in 1 Corinthians 2:6 ; 1 Corinthians 3:1 ; 1 Corinthians 13:11 ; Philippians 3:15 ; Ephesians 4:4 , not absolute perfection ( Matthew 5:48 ). Their senses (ta aisqhthria). The organs of perception (Stoic term for sense organs) from aisqanomai ( Luke 9:45 ), in Plato, Galen, Hippocrates, here only in N.T. Exercised (gegumnasmena). Perfect passive participle of gumnazw, to exercise (naked, gumno). Galen uses aisqhthria gegumnasmena together after ecw as we have here. For this predicate use of the participle with ecw see Luke 13:6 ; Luke 14:19 . "By reason of use" one gains such skill. To discern (pro diakrisin). "For deciding between" (from diakrinw), old word with ablative kalou te kai kakou (between good and evil). See 1 Corinthians 12:1 ; Romans 14:1 .