readily
Without unwillingness or hesitation; showing readiness.
Example
“The suspect readily answered all questions the police officers asked him.”
Other meanings
Without impediment, easily.
“readily available; readily achievable”
Word history
From Middle English "redily".
Where this comes from
This definition is adapted from “readily” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.