To contemplate or conceive of as a possibility or a desirable future event. She envisaged a future where technology would solve many of the world's problems.
To form a mental picture of something not yet existing or known. He envisaged the house he wanted to build, complete with a garden and a pool.
To anticipate or provide for (something) as part of a plan; to expect or intend. The new policy envisages substantial investment in renewable energy.