The weather will become cold after the sun goes down.
The sense ‘state or process of bearing fruit’ has become imposed on fruition as the 20c. proceeded.
(intransitive, archaic other than in become of) To come about; happen; come into being; arise.
What became of him after he was let go?
It hath becomen so that many a man had to sterve.
(transitive) To be appropriate for.
It doesn’t become a true gentleman to speak in such a manner.
1892, Ambrose Bierce, “The Applicant,” in The Collected Works of Ambrose Bierce, Volume II: In the Midst of Life (Tales of Soldiers and Civilians), New York: Gordian Press, 1966,
He was hatted, booted, overcoated, and umbrellaed, as became a person who was about to expose himself to the night and the storm on an errand of charity […]
(transitive) Of an adornment, piece of clothing etc.: to look attractive on (someone).
That dress really becomes you.
(intransitive, obsolete) To arrive, come (to a place).