There are several synonyms for the phrase "become an actuality". One such synonym could be "come to fruition". This phrase denotes the idea of something that is being accomplished or completed. Another synonym could be "materialize", which refers to something taking shape or becoming real. Other synonyms for "become an actuality" include "emerge", "occur", "happen", "transpire", and "develop". Whether one is discussing a dream, a plan, or a goal, the concept of something becoming a reality is significant. These synonyms illustrate the various ways in which one's ideas or aspirations can come to life and become tangible accomplishments.