what is enlightenment?

What is enlightenment? What is that state of Cosmic Consciousness, the ultimate awareness called variously - enlightenment, nirvana, satori, samadhi, self-realization, rapture, salvation, ascension, unity consciousness, voidness, and many other terms by many various religions? It is the goal of life, the ultimate destination of every individualized being. It is brought about when the individual personality ascends beyond the illusionary perception of self separateness to merge in the Universal Self from which it originated so very long ago. Spiritual evolution towards this goal takes place over ages but the final ascent of Spirit can happen in an instant of time.