κρείττων

παιδείαν δὲ πᾶσαν, μακάριε, φεῦγε τἀκάτιον ἀράμενος → flee all education, raising up the top sail

French (Bailly abrégé)

comparative of a derivative of κράτος; stronger, i.e. (figuratively) better, i.e. nobler: best, better.

and (T Tr WH L text κρείττων); L T Tr WH κρείσσων; see WH's Appendix, p. 148f; cf. Sigma) κρείσσων, κρεισσονος, neuter κρεισσονου (comparitive of κρατύς, see κράτιστος, cf. Kühner, i., p. 436; (Buttmann, 27 (24))) (from Homer down), better; i. e.
a. more useful, more serviceable: R G; πολλῷ μᾶλλον, added, μᾶλλον, 1b.); κρεῖσσον (adverb) ποιεῖν, κρεῖττον ἐστιν, it is more advantageous, followed by an infinitive, Buttmann, 217 (188); Winer s Grammar, § 41a. 2 a).
b. more excellent: κρεῖττον, followed by an infinitive, 1 Peter 3:17.