This is the 4377th most frequent Portuguese word.
assegurado
"Assicurado" means "insured" or "guaranteed" in English.
In this sentence, 'assegurado' is used as a past participle to indicate that the bank ensured or guaranteed the payment.
O pagamento foi assegurado pelo banco.
The payment was guaranteed by the bank.
Here, 'assegurada' is used as an adjective, implying that the company has insurance coverage indemnifying it against fire-related damages.
A empresa está assegurada contra incêndios.
The company is insured against fires.
In this sentence, 'assegurou' is the verb form in the past tense, meaning that the person provided assurance regarding punctual arrival.