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