cerciorar
Meanings
Verb
1. to make sure, verify, assure oneself (pronominal, formal)
2. to assure (transitive, uncommon)
Examples3
Cerciórate de que todo esté correcto.
Make sure that everything is alright.
He de cerciorarme de que Tom sepa a qué hora empieza el concierto.
I have to make certain Tom knows what time the concert starts.
Cerciórate de dejar tu pasaporte en la caja fuerte.
Just be sure to leave your passport in the safe.