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