1. (n.)reversion the act of reverting; return to a former practice, belief, condition, etc.
2. reversion the act of reversing or the state of being reversed; reversal.
3. reversion reappearance of ancestral characteristics that have been absent in intervening generations.
4. reversion return to an earlier or primitive type; atavism.
5. reversion the returning of an estate, property, etc., to the grantor at the expiration of a grant.
6. reversion the estate that so returns.
7. reversion the right of succeeding to an estate.
Etymology: (1350–1400; ME < L reversiō turning back, return. See revert , -tion)
Definition of 'Reversion'
Princeton's WordNet
1. (noun)reversion (law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee)
2. (noun)reversion (genetics) a return to a normalphenotype (usually resulting from a second mutation)
3. (noun)atavism, reversion, throwback a reappearance of an earlier characteristic
4. (noun)reversion, reverse, reversal, turnabout, turnaround turning in the opposite direction
5. (noun)regression, regress, reversion, retrogression, retroversion returning to a former state
6. (noun)backsliding, lapse, lapsing, relapse, relapsing, reversion, reverting a failure to maintain a higher state
Definition of 'Reversion'
Webster Dictionary
1. (noun)Reversion the act of returning, or coming back; return
2. (noun)Reversion that which reverts or returns; residue
3. (noun)Reversion the returning of an esttate to the grantor or his heirs, by operation of law, after the grant has terminated; hence, the residue of an estate left in the proprietor or owner thereof, to take effect in possession, by operation of law, after the termination of a limited or less estate carved out of it and conveyed by him
4. (noun)Reversion hence, a right to future possession or enjoiment; succession
5. (noun)Reversion a payment which is not to be received, or a benefit which does not begin, until the happening of some event, as the death of a living person
6. (noun)Reversion a return towards some ancestral type or character; atavism
Definitions of Reversion 
Afrikaans: terugkering
Arabic: رُجوع، إرْتِداد
Bulgarian: връщане
Brazilian: reversão
Czech: obrat
German: die Umkehrung
Danish: tilbagevenden
Greek: επάνοδος, επιστροφή
Spanish: reversión
Estonian: tagasipöördumine
Farsi: بازگشت؛ حرکت معکوس
Finnish: palautuminen
French: retour, réversion
Hebrew: חֲזָרָה לַבַּעַלות שֶׁל-
Hindi: लौटना
Croatian: vraćanje prava darivatelj
Hungarian: visszatérés
Indonesian: pengembalian
Icelandic: afturhvarf
Italian: ritorno, reversione
Japanese: 逆戻り
Korean: 복귀
Lithuanian: (su)grįžimas
Latvian: atgriešanās
Malay: pengembalian
Dutch: terugkeer
Norwegian: tilbakevending; speilvend
Polish: powrót do poprzedniego st
Persian: بازگشت؛ حرکت معکوس
Pashto: دځاى نيونې حق، دپلارنيكه 
Portuguese: regresso
Romanian: întoarcere, revenire
Russian: возвращение
Slovak: obrat
Slovenian: vrnitev
Serbian: povratak
Swedish: återgång
Thai: การกลับกัน
Turkish: dönme, dönüş
Taiwanese: 回復
Ukrainian: повернення
Urdu: واپسی
Vietnamese: sự trở lại
Chinese: 复归
