Extended Strong's Greek Lexicon (Abbott-Smith based)
excellent
Usage: κράτιστος, -η, -ον superl, of κρατύς (Hom.), __1. strongest, mightiest (Hom.). __2. noblest, best (cf. κρείσσων), most excellent (find., Soph., al.): voc., κρατίστε, as title of honour and respect (DCG, ii, 727a), Luk.1:3, Act.23:26 24:3 26:25.† (AS)