into the wine to give it a variety of flavors. or, it could be that wisdom did both of these.
she has also set her table: setting her table meant preparing it for food for a banquet. the table itself is not like the modern-day table but rather a mat or some animal hide placed on the floor. it could also be some wooden structure that is only a few inches off the floor.
we see that wisdom has built a strong house, which is ready to receive many people. it seems that the feast is ready, as the meat is there, as well as the wine, with the table being set. 