Synonyms for Befall:

n.

arrive, unfold. come, come off. befall (noun)
betide, happen, bechance.

v.

happen to; take place (verb)
bechance, develop, ensue, happen, come off, betide, occur, follow, transpire.
occur (verb)
happen, follow, develop, occur, arise, eventuate, ensue, transpire.

Other synonyms:

come. happen
come.
Other relevant words:
bechance, come, come off, unfold, arrive, betide.

Usage examples for befall

  1. Or that they will escape for so long a term the many mischances that befall soft- wooded trees? – Tropic Days by E. J. Banfield
  2. My permit was granted on the express understanding that I hold nobody responsible for any harm that might befall – Careers of Danger and Daring by Cleveland Moffett
  3. Whether or not I can forget you in any fate that may befall me, you well know. – The Children of the World by Paul Heyse