1. (n.) The point of greatest height; the peak; the height of success or prosperity -- opposed to nadir\.

2. (n.) That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir.

Olympian heights acme aerial heights apex apogee authority authorization be-all and end-all blue ribbon brow cap capstone championship climax cloud nine command control crest crown culmen culmination directorship dizzy heights dominion edge effectiveness elevation eminence ether extreme limit extremity first place first prize headship heaven heavens hegemony height heights high noon high point highest highest pitch highest point imperium influence jurisdiction kingship leadership lift limit lordship management mastership mastery maximum meridian most mountaintop ne plus ultra new high no place higher noon palms paramountcy peak pinnacle pitch point pole power presidency primacy raise record ridge rise rising ground rule say seventh heaven sky sovereignty spire steep stratosphere summit supremacy sway tip tip-top top top spot upmost upper extremity uppermost uprise utmost vantage ground vantage point vertex very top