Translation of "Cordial" in English

Recibimos una cordial bienvenida por su parte.

We received a cordial welcome from them.

Ella le escribió una carta cordial agradeciéndole la ayuda.

She wrote him a friendly letter, and thanked him for his help.

Manteniendo una charla con él, lo encontré inquieto pero cordial.

On having a talk with him, I found him troubled but friendly.

Expreso mi cordial agradecimiento por lo que has hecho por esta ciudad.

I express my cordial thanks for what you have done for this city.

Lo que sé gracias a mi investigación es que, cuando el ambiente es cordial,

What I know from my research is when we have more civil environments,