Origin: Latin suffix -tion
Confirmation has 6 different meanings across 1 category:
additional proof that something that was believed (some fact or hypothesis or theory) is correct
"fossils provided further confirmation of the evolutionary theory"
information that confirms or verifies
"The package finally arrived, bringing much-needed confirmation that our order was not lost."
making something valid by formally ratifying or confirming it
"the ratification of the treaty"
"confirmation of the appointment"
a ceremony held in the synagogue (usually at Pentecost) to admit as adult members of the Jewish community young men and women who have successfully completed a course of study in Judaism
"At the annual Bar and Bat Mitzvah service, we waited for the confirmation ceremony where our children would be formally welcomed into the synagogue community after their years of Torah study."
a sacrament admitting a baptized person to full participation in the church
"After years of growing up in the faith, Maria finally received her confirmation at the cathedral last Sunday."
An official indicator that things will happen as planned.
"After waiting anxiously for hours, I finally received a confirmation that my flight would depart on time."
In plain English: Confirmation is when someone gives you proof that something is true or correct.
"The email served as confirmation that your flight has been booked."
Usage: Use confirmation to describe an official assurance or verification that a specific event will occur exactly as scheduled. It is often required after an initial request or reservation to finalize plans.
The word confirmation comes from the Latin cōnfirmātiō, which combined the prefix meaning "with" and a root related to making something firm or strong. It entered English through Middle French before evolving into its current form in Middle English.