Enlightenment would be what Bruce has described in his books as 'Graduation from Earth Life System', the symptoms are: PUL in immense quantity and quality, 'loss of ego', crystal-clear vision of mind, vision of bright white light, and radiating bright white light.
It can be accelerated by focusing on channelling intense PUL (shedding it onto others), and clarity of mind, focus on a clear mind, try to keep the focus for extended time and do it often and again and again, until it becomes habitual - and then stop it and simply relax into the clarity behind the mind surface.
(got this message from my spirit guide yesterday, he urged me to do these exercises, says it is of vital importance, time is running short, and we must get as many individuals as possible to progress toward graduation, and therefore work hard and intently on ourselves first)

  I don't fully know, and while it's an interesting question to think about, i don't quite have the attachment to it as i use to have. 

Sort of related to what Oliver wrote, i feel very strongly on a deep intuitive level, that Monroe's account of "He/She" in his last book is more or less true and accurate. 

   If so, I would imagine that He/She is truly "enLightened".  Yet, also strongly on a deep intuitive level, i've gotten the feeling that most people that have claimed enlightenment for themselves, or others claimed for them, were not truly or fully "enLightenened", at least not to the He/She level. 

  But in any case, i agree with Oliver in that what little i do know about the process and state of the big "E" is that its primarily about attuning to ever greater degrees/intensity and purity of PUL consciousness.