pinnacle
I
noun
acme, apex, apogee, cap, ceiling, climax, consummation, crest, crown, crowning point, culmination, extremity, head, height, highest degree, highest point, meridian, peak, point, summit, tip, top, upper extremity, utmost extent, utmost height, zenith
II
index
ceiling, culmination
Burton's Legal Thesaurus.
William C. Burton.
2006