WordNet sense 1 (situated at or toward the bow of a vessel):

fore

WordNet sense 2 (prominently forward):

first

WordNet sense 3 (ranking above all others):

world-class

WordNet sense 4 (preceding all others in spatial position):

frontmost

WordNet sense 5 (relating to or located in the front):

front

WordNet sense 6 (before anything else):

firstly, first of all, first off