reversion

noun

1. (countable, uncountable)The act or process of reverting something.

   “Near-synonym: reversal”

2. (countable, uncountable)The act or process of reverting something.

   “Near-synonym: rollback (sometimes synonymous)”

3. (countable, uncountable)The action of returning to a former condition or practice.

   “With its lavish brass and copperwork, this [bright chocolate] seemed a trifle too gay and unbecoming for a G.W.R. locomotive, and apparently the Company soon shared this view for there was a reversion to the standard Brunswick green.”

4. (countable, uncountable)The fact of being turned the reverse way.
5. (countable, uncountable)The action of turning something the reverse way.
6. (countable, uncountable)The return of an estate to the donor or grantor after expiry of the grant.

   “Why nothing capital of my master's wardrobe has drop'd lately—but I could give you a mortgage on some of his winter Cloaths with equity of redemption before November or—you shall have the reversion—of the French velvet, or a post obit on the Blue and Silver—”

   “Each day too slew it’s^([sic]) thousands six or seven, Till at the crowning carnage—Waterloo— They threw their pens down in divine disgust, The page was so besmeared with blood and dust. […] (Here, Sathan’s sole good work deserves insertion— ’Tis, that he has both Generals in reversion).”

   “By the spring of 1972, however, Peking’s general anti-Japanese offensive was fading away in any case, and in mid-May the reversion of Okinawa to Japanese jurisdiction brought the Self-Defense Forces into the vicinity of the Tiao Yü T’ai (or Senkaku). Peking accordingly dropped the issue as suddenly as it had taken it up.”

7. (countable, uncountable)An estate which has been returned in this manner.
8. (countable, uncountable)The right of succeeding to an estate, or to another possession.
9. (countable, uncountable)The right of succeeding to an office after the death or retirement of the holder.
10. (countable, uncountable)The return of a genetic characteristic after a period of suppression.
11. (countable, uncountable)A sum payable on a person's death.
12. (countable, proscribed, uncountable, usually)The act of conversion to Islam, due to the belief that all people are born Muslim.