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