To make a plan, idea, or dream become real or actual. She worked tirelessly to actualize her vision of a community garden.
To give reality or substance to something. The artist was able to actualize his thoughts through his paintings.
To become actual or real; to come into being. The plans began to actualize once the funding was approved.
In psychology, to reach one's full potential; to self-actualize. Through therapy, he began to actualize and live authentically.