The Collaborative International Dictionary of English v.0.48:
Revoke \Re*voke"\, v. t. [imp. & p. p. Revoked;p. pr. & vb. n.
Revoking.] [F. r['e]voquer, L. revocare; pref. re- re- +
vocare to call, fr. vox, vocis, voice. See Voice, and cf.
1. To call or bring back; to recall. [Obs.]
The faint sprite he did revoke again,
To her frail mansion of morality. --Spenser.
2. Hence, to annul, by recalling or taking back; to repeal;
to rescind; to cancel; to reverse, as anything granted by
a special act; as,, to revoke a will, a license, a grant,
a permission, a law, or the like. --Shak.
3. To hold back; to repress; to restrain. [Obs.]
[She] still strove their sudden rages to revoke.
4. To draw back; to withdraw. [Obs.] --Spenser.
5. To call back to mind; to recollect. [Obs.]
A man, by revoking and recollecting within himself
former passages, will be still apt to inculcate
these sad memoris to his conscience. --South.
Syn: To abolish; recall; repeal; rescind; countermand; annul;
abrogate; cancel; reverse. See Abolish.