pinnacle

"Plato made the causes of things to be matter, ideas, and an efficient architect."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The student's excellent score on the math test was a significant achievement. "

"The competition for this job is strong."

"Her academic achievements earned her a scholarship to college. "

"The mountain climber reached the pinnacles of the Himalayas. "

"The architecture of this clock is very intricate."

"a successful use of medicine;  a successful experiment;  a successful enterprise"

"It is generally known that the Earth is round."

"She has a prestigious job with an international organization."

"The proportion of students who chose math as their favorite subject was quite high. "

"The new school rules constitute the student handbook. "