1.  revert(v = verb.change) regress, retrovert, return, turn back - go back to a previous state; "We reverted to the old rules"
is one way to change by reversal, reverse, turn
Derived forms noun reversion₅, adjective reversive₁, noun reverting₁
Sample sentences: Something ----s; Somebody ----s; Something is ----ing PP; Somebody ----s PP

2.  revert(v = verb.change) - undergo reversion, as in a mutation;
is one way to mutate
Sample sentences: Something ----s

1.  To turn back, or to the contrary; to reverse. [1913 Webster]
"Till happy chance revert the cruel scence." [1913 Webster]
"The tumbling stream . . .
Reverted, plays in undulating flow." [1913 Webster]

2.  To throw back; to reflect; to reverberate. [1913 Webster]

3.  To change back. See Revert, v. i. [1913 Webster]

1.  To return; to come back. [1913 Webster]
"So that my arrows
Would have reverted to my bow again." [1913 Webster]

2.  To return to the proprietor after the termination of a particular estate granted by him. [1913 Webster]

3.  To return, wholly or in part, towards some preëxistent form; to take on the traits or characters of an ancestral type. [1913 Webster]

4.  To change back, as from a soluble to an insoluble state or the reverse; thus, phosphoric acid in certain fertilizers reverts. [1913 Webster]

   One who, or that which, reverts. [1913 Webster]
"An active promoter in making the East Saxons converts, or rather reverts, to the faith." [1913 Webster]

revert, v.
1 intr. (foll. by to) return to a former state, practice, opinion, etc.
2 intr. (of property, an office, etc.) return by reversion.
3 intr. fall back into a wild state.
4 tr. turn (one's eyes or steps) back.

Derivative:
reverter n. (in sense 2).

Etymology:
ME f. OF revertir or L revertere (as REVERSE)

VB  repeat, iterate, reiterate, reproduce, echo, reecho, drum, harp upon, battologize, hammer, redouble, recur, revert, return, reappear, recurse, renew, rehearse, do over again, say over again, ring the changes on, harp on the same string, din in the ear, drum in the ear, conjugate in all its moods tenses and inflexions, begin again, go over the same ground, go the same round, never hear the last of, resume, return to, recapitulate, reword.

VB  return, restore, give back, carry back, bring back, render, render up, give up, let go, unclutch, disgorge, regorge, regurgitate, recoup, reimburse, compensate, indemnify, remit, rehabilitate, repair, reinvest, revest, reinstate, redeem, recover, take back again, revest, revert.

VB  revert, turn back, regress, relapse, recoil, retreat, restore, undo, unmake, turn the tide, roll back the tide, turn the scale, tip the scale.

VB  recede, regrade, return, revert, retreat, retire, retrograde, retrocede, back out, back down, balk, crawfish, crawl, withdraw, rebound, go back, come back, turn back, hark back, draw back, fall back, get back, put back, run back, lose ground, fall astern, drop astern, backwater, put about, backtrack, take the back track, veer round, double, wheel, countermarch, ebb, regurgitate, jib, shrink, shy, turn tail, turn round, turn upon one's heel, turn one's back upon, retrace one's steps, dance the back step, sound a retreat, beat a retreat, go home.