Zenith

Noun

 * 1)  The point in the sky vertically above a given position or observer; the point in the celestial sphere opposite the nadir.
 * 2)  The highest point in the sky reached by a celestial body.
 * 3) Highest point or state; peak.

Synonyms

 * acme, apogee, culmination, pinnacle

Antonyms

 * nadir
 * nadir is the etymological (Arabic) antonym.
 * perigee

Related terms

 * azimuth, nadir
 * Both from or related to سمت:.

Verbs for Zenith
achieve—; ascend to—; attain—; culminate in—; elevate to—; skyrocket to (colloq.)—; toboggan from—; topple from—; whirl to—; —climaxes.

Thesaurus
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