"ascent" in the noun sense
1. ascent, acclivity, rise, raise, climb, upgrade
an upward slope or grade (as in a road
"the car couldn't make it up the rise"
2. rise, rising, ascent, ascension
a movement upward
"they cheered the rise of the hot-air balloon"
3. rise, ascent, ascension, ascending
the act of changing location in an upward direction
Source: WordNet® (An amazing lexical database of English)
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