WordNet sense 1 (thin strip of metal used to separate lines of type in printing):

lead, lead, lead

WordNet sense 2 (having the leading position or higher score in a contest):

ahead, in the lead

WordNet sense 3 (being or moving higher in position or greater in some value; being above a former position or level):

up

WordNet sense 4 (greatest in importance or degree or significance or achievement):

preeminent

WordNet sense 5 (of or characteristic of high rank or importance):

superior

WordNet sense 6 (indicating the most important performer or role):

star, stellar, prima, starring

WordNet sense 7 (the activity of leading):

leadership

WordNet sense 8 (exerting control or influence):

guiding

WordNet sense 9 (showing the way by conducting or leading; imposing direction on):

directing