A prefix signifying back, against, again, anew; as, recline, to
   lean back; recall, to call back; recede; remove; reclaim, to call out
   against; repugn, to fight against; recognition, a knowing again;
   rejoin, to join again; reiterate; reassure. Combinations containing the
   prefix re- are readily formed, and are for the most part of obvious
   signification.