Definitions

1. verb

to think or reason carefully and thoroughly about something

“She spent hours excogitating a plan to solve the complex problem.”

2. verb (archaic or poetic)

to devise or invent

“The poet excogitated a new metaphor to describe the sunset.”

3. noun (archaic or poetic)

the act of devising or inventing

“The poem was a result of her excogitation of a new idea.”