stabilize, weigh, balance, match, equalize, nullify, correct, level out, offset, add, negate, counter, equate, equal, counterbalance, balance the scales, hold steady, even up/out, make up (the difference)

replace, switch, exchange, transfer, trade, barter, return, redeem, swap, substitute, give back

reward, reimburse, recompense, return, tally, repay, invite, give back, reciprocate, pay back, respond in kind, return (a favor), do the same (in return), repay (a kindness), keep (a tally)

cooperate, draw up, compromise, concede, listen, water down, break through, adjust, navigate, redefine, persevere, defer, accommodate, reconcile, come around, relent, honor, accord (respect), figure out/in, formalize (an agreement), see something through, agree to, set about (finding common ground), shape (a feasible proposal), aim for (agreement), forge (a way forward), consider (everyone's concerns), appreciate (the other party), break down (a proposal), require (agreement on ground rules), cut through (ideology), accept (compromise), balance (needs), sacrifice (a demand to keep the peace), modify (one's original demand), negotiate (a contract), adopt (a contract)