ascendˈance or ascendˈence (both rare), now usuascendˈancy or ascendˈency noun

Dominating influence

ascendˈant or less commonly ascendˈent noun

1. The part of the ecliptic just risen or about to rise above the horizon at any instant (a planet in the ascendant is supposed to influence a person born at the time) (astrology)
2. A position of pre-eminence
3. An ancestor or relative in the ascending line
4. A person who rises or mounts (obsolete)
5. A rise, up-slope (obsolete)

1. Rising
2. Just risen above the horizon
3. Predominant

ascendˈer noun

1. A person or thing that ascends
2. (the upper part of) a letter such as b, d, h, k (printing, etc)
3. A metal grip threaded on a rope as a foothold or aid to climbing (mountaineering)

ascendˈible (also ascendˈable) adjective

Scalable

ascendˈing adjective

1. Rising
2. Curving up from a prostrate to an erect position (botany)

ascension /-senˈshən/ noun

1. Ascent (a Gallicism when used of a mountain ascent)
2. An ascent to heaven, esp Christ's

ascenˈsional adjective

ascenˈsive adjective

Moving or tending upwards

ascentˈ noun

1. A going up
2. Advancement
3. A going back in time or ancestry
4. A way up
5. An up-slope

Ascension Day or Ascenˈsion-day noun (Christianity)

A festival, ten days before Whitsunday, commemorating Christ's Ascension

Ascenˈsiontide noun

The period from Ascension Day to Whitsunday

ascend the throne

To become king or queen

in the ascendant

Increasing in influence, prosperity, etc

right ascension (astronomy)

A co-ordinate of the position of a celestial body measured (usu in terms of time) eastwards along the celestial equator from the First Point of Aries, the other co-ordinate being the declination