Synonyms for Come about:

n.

unfold, arrive, come to pass. founder, dock, hydroplane, capsize, heel, cast off, ground, heave to, go about. come about (noun)
take place, hap, go on, pass, happen, pass off, occur.

v.

change (verb)
take place, hap, go on, pass, happen, pass off, occur.
happen (verb)
result, take place, occur, come to pass.

Other synonyms:

unfold. go about, founder, hydroplane. cast off. heel, dock. ground. Other relevant words:
come to pass, heel, unfold, go about, result.