Definitions

1. noun

a conclusion or effect that follows necessarily from a previous statement or action

“The corollary of the new policy was a significant increase in productivity.”

2. adjective

of or relating to a conclusion or effect that follows necessarily from a previous statement or action

“The corollary effect of climate change is more frequent natural disasters.”

3. verb

to derive or follow as a necessary conclusion

“The new data corollaries the previous predictions.”