Here's what rhymes with configurational.
occupational operational recreational relational rotational correlational locational variational aberrational educational vocational informational situational generational inspirational ideational mutational avocational invitational probational gravitational conversational motivational observational sensational vibrational conformational congregational foundational gestational navigational translational associational subnational coeducational nonoccupational nonoperational organizational computational denominational organisational confrontational improvisational noneducational nonvocational representational intergenerational transformational nondenominational nonrepresentational interdenominational Words that almost rhyme with configurational
occasional available capable payable attainable saleable salable assailable bailable obtainable insatiable changeable debatable unshakable repayable unshakeable breakable trainable unsaleable unsalable claimable gradable resalable incapable sustainable traceable unavailable unattainable unchangeable ascertainable exchangeable explainable unassailable inflatable unbreakable degradable erasable irreclaimable reclaimable persuadable conveyable unmistakable inescapable interchangeable irreplaceable unobtainable unsustainable maintainable replaceable untraceable mistakable embraceable nonexchangeable microwavable nonbreakable biodegradable noninterchangeable