obligational

[ ob-li-gey-shuh-nl ]

adjective

1. obligatory.

Word History and Origins

Origin of obligational¹

obligation + -al ¹

Example Sentences

I just don't think the current crop of politicians at the G8 feel under any obligational pressure to do anything at the G8.

From The Guardian

In addition, the accumulated obligational authority of the Federal Government for future payment totals over 80 billion dollars.

From Project Gutenberg