How to Say "confirm!" in Spanish
The Spanish word for “confirm!” is “confirma” — A1 level. This is a very common word in everyday Spanish.
English → SpanishA1
verbA1informal
telling someone you know well to do it

Examples
¡Confirma tu asistencia ahora, por favor!
Confirm your attendance now, please!
Friendly Commands
To give a command to a friend (tú), just use the same form you use for 'he' or 'she' in the present.
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