Awakening from the illusion / Maya …
Adulthood is not an absolute process, as it is written into the laws for pragmatic reasons, but is actually a constant awakening and/or successive awakening of different facets of the consciousness level.
If one examines the German word for “be adult“, i.e. “erwachsen sein” etymologically, it could be that it forms a common line with the German root word “erwachen” that translated “awaken” means.