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