ETYM AS. besta, best, contr. from betest, betst, betsta; akin to Goth. batists, Old High Germ. pezzisto, German best, beste, Dutch best, Icel. beztr, Dan. best, Swed. bäst. This word has no connection in origin with good. Related to Better.
(Superlative of 'good') Having the most positive qualities.