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