pick up an accent
put on an accent
reluctantly accept
grudgingly accept
blindly / unquestioningly accept
accept sth at face value
morally / ethically acceptable
prove acceptable (none of the solutions proved acceptable)
a freak accident
a hit-and-run accident
a head-on collision
a multiple pile-up
purely / completely accidental
unintentional humor / irony
unintended consequence / impact / outcome
inadvertent error / omission / use
give an account of
write an account of