To really happen; change from a dream or a plan into a fact; to become reality, to prove to be correct.
Everything that the economists predicted about the increased cost of living has come true.
His hope of living to 100 did not come true.
It took years of planning and saving, but their seagoing vacation came true at last.
It was a dream come true when he met the President.
The weatherman’s forecast for today’s weather certainly came true.