alternation amends atonement balancing battledore and shuttlecock blow for blow commutation compensation cooperation counteraction counterbalancing counterchange cross fire defensibility drumhead justice dueness equitableness equity evenhandedness exchange expiation give-and-take indemnification indemnity interchange intermutation interplay justice justifiability justifiableness justification justness law of retaliation lawfulness legality lex talionis like for like meetness mutual admiration mutual support mutual transfer mutuality nemesis offsetting permutation poetic justice properness propriety quid pro quo reciprocality reciprocation reciprocity recompense rectification redress reparation repayment restitution retaliation retributive justice revenge right rightfulness rightness rude justice satisfaction scales of justice something for something something in return substitution summary justice talion tit for tat transposal transposition warrantability warrantedness what is right