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