1. adjective
a) Of or relating to a broad movement in Western culture, covering a wide variety of alternative spiritual and philosophical ideas, that developed towards the end of the 20th century.
At this point in history, the most radical, pervasive, and earth-shaking transformation would occur simply if everybody truly evolved to a mature, rational, and responsible ego, capable of freely participating in the open exchange of mutual self-esteem. There is the "edge of history." There would be a real New Age -
b) Of or relating to New Age music.
2. noun
b) New Age music.
Wikipedia foundation.