The obvious meaning is success through effort. Where do I want to go? Is the goal worth the effort? See Stairs, Ladder.
1- The act of Ascension is a breakthrough to a new spiritual plane which transcends the state of being human. It is an awareness of different levels of concentration, which give a different perspective to being human.
2- Ascension is an altered state of consciousness which can occur as a result of meditation and spiritual practices. In dreams it is seen as acceptable and real, and is often accompanied by symbols of paradise.
3- Ascension frequently follows the experience of a descent into the underworld.