it means to sen in something
Peak
The word you are looking for is "peak" or "summit."
The word Zenith means the highest or most powerful point. Nadir means the weakest. Also, Peak, as in a mountain peak.
The word summit is a noun. Some words that can be used in place of summit are top, crowning point, crest, crown, and zenith. Also on the list are capstone, peak, roof, and pinnacle.
Top, apex, are two possibilities.
Summit, Top, Zenith, Peak, ......
Highest point, hill top, hill peak.
Some words that mean highest point are top, summit, pinnacle, or apex.Apogee and peak are also words for highest point.
Highest point, hill top, hill peak.
Summit
Synonyms for apogee would include, but are not limited to; peak, climax, crest, and summit.
zenith.