Concedais
Concedais is a verb form in the Spanish language. Specifically, it is the second-person plural imperative form of the verb "conceder." The verb "conceder" generally means to grant, to yield, to concede, or to allow. Therefore, "concedais" is used when a speaker is directly addressing a group of people (you all) and instructing them to grant, yield, concede, or allow something.
For example, in a formal context, one might say "Concedais la razón a sus argumentos" which translates
The form "concedais" is characteristic of the imperative mood, used for commands or requests. Its usage indicates