I before E, except after C
In English words that contain the letters I and E together, the I tends to come before the E (ie), except in cases when the two are preceded by the letter C, in which case the E comes before the I (cei).
verb
To exclude; to specify as being an exception.
I find most people annoying — present company excepted, of course!
But this [ban on circumcision] must have been a provocation, as the emperor Antoninus Pius later acknowledged by excepting the Jews.
To take exception, to object (to or against).
to except to a witness or his testimony
Except thou wilt except against my love.
prep
Used to introduce an exception or qualification to something previously stated.
There was nothing in the cupboard except a tin of beans.
Except that he is wearing polka-dot drawers, he is buck naked.
conj
Used to introduce a clause, phrase, verb infinitive, adverb or other non-noun complement forming an exception or qualification to something previously stated.
You look a bit like my sister, except (that) she has longer hair.
I never made fun of her except teasingly.
Loosely, used to introduce a contrastive statement explaining why something wasn't successful, didn't happen, etc.
They fired tear gas at us, except the wind was blowing the wrong way.
I almost walked out, except I remembered the promise I had made.
Unless; used to introduce a hypothetical case in which an exception may exist.
And they sayde: We have no moo but five loves and two fisshes, except we shulde goo and bye meate for all this people.
If I ſay ſooth, I muſt report they were / As Cannons ouer-charg'd with double Cracks, / So they doubly redoubled ſtroakes vpon the Foe: / Except they meant to bathe in reeking Wounds, / Or memorize another Golgotha, / I cannot tell: but I am faint, / My Gaſhes cry for helpe.