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