A marijuana high generally induced by gratuitously large amounts of weed that changes an individual's perception of the world or signifies a new beginning in that person's life. Can also simply create an extremely memorable experience or revelation.
Dylan: Hey Payton, where have you been?
Payton: Dude I'm on my tenth blunt, i think this is a stepping stone!
a means to an end, or an opportunity that can lead to "bigger and better" things
"she told me that even though she loves the company she works at, she hates the job she's at, but it's a stepping stone for something more lucrative."