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