Here's what rhymes with unilateral.

Consider these alternatives

unilaterally / naturally cease / peace ceasefire / fire disengagement / statement declare / their declaration / operation opposes / roses truce / use imposition / position retaliatory / story oppose / those cessation / education escalation / relation halt / called declarations / relations retaliation / relation moratorium / auditorium refrain / main hostilities / abilities withdraw / law insisting / existing impose / those resolutions / institutions reject / effect accords / towards opposed / most hasty / safety concessions / presence imposed / most