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