To see an oak tree in your dream, symbolizes longevity, stability, strength, tolerance, wisdom, and prosperity. It may also mean that you have built a solid foundation for success in some endeavor.
To see an oak tree with acorns, represents your climb up the social ladder and rise in status.
To dream of an old spreading oak means long life and prosperity. If it is filled with acorns you are due a promotion or some type of increase in your life. If a newlywed sees many oak trees in a forest it foretells a long marriage and many children. It is also the symbol for the tree of life and denotes good luck in all cases where the oak is healthy; reverse if the oak is sick or damaged.