Dreaming of a goblet means you are seeking out knowledge or solutions to complete a task. While you see the goblet may or may not be a solution, the deeper meaning is that you are a type of person who goes to great lengths to get the job done.
Drinking from a goblet means you desire change, a fresh perspective in your outlook.
The goblet can also be seen as a symbol of abundance and prosperity. This could mean that you are feeling financially secure and able to indulge in the finer things in life, or it could suggest that you are attracting abundance and prosperity into your life.