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