ascent

(noun) an upward slope or grade (as in a road). Synonyms: acclivity, rise, raise, climb, upgrade. Examples: "The car couldn't make it up the rise."

(noun) a movement upward. Synonyms: rise, rising, ascension. Examples: "They cheered the rise of the hot-air balloon."

(noun) the act of changing location in an upward direction. Synonyms: rise, ascension, ascending.