This is the 9670th most frequent Spanish word.
asegurara
"Will ensure" or "might ensure" (depending on context).
The word 'asegurara' is used in subjunctive past tense, expressing a purpose or desired action.
Ella cerró la puerta para que él la asegurara.
She closed the door so he could secure it.
In this sentence, 'asegurara' is functioning in the conditional clause, describing a hypothetical action.
Si él asegurara la ventana, no entraría el frío.
If he secured the window, the cold wouldn't come in.
Here, 'asegurara' appears in a subjunctive mood as part of a demand or request within the sentence.