ASCENSIONAL
ascensional
(adjective) tending to rise
Source: WordNet® 3.1
Etymology
Adjective
ascensional (not comparable)
(astronomy) Relating to ascension.
Source: Wiktionary
As*cen"sion*al, a.
Definition: Relating to ascension; connected with ascent; ascensive;
tending upward; as, the ascensional power of a balloon. Ascensional
difference (Astron.), the difference between oblique and right
ascension; -- used chiefly as expressing the difference between the
time of the rising or setting of a body and six o'clock, or six hours
from its meridian passage.
Source: Webster’s Unabridged Dictionary 1913 Edition