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