adj.
Pronunciation: ' ko ̇ -z ə l
Function: adjective
Date: circa 1530
1 : expressing or indicating cause : CAUSATIVE <a causal clause introduced by since >
2 : of, relating to, or constituting a cause <the causal agent of a disease>
3 : involving causation or a cause <the relationship ⋯ was not one of causal antecedence so much as one of analogous growth ― H. O. Taylor>
4 : arising from a cause <a causal development>
– caus · al · ly \ -z ə -l ē \ adverb