Impondríais
Impondríais is the second-person plural conditional form of the Spanish verb "imponer." The verb "imponer" generally means to impose, to enforce, to inflict, or to impress. Therefore, "impondríais" translates to "you all would impose," "you all would enforce," "you all would inflict," or "you all would impress."
The conditional tense in Spanish is used to express hypothetical situations, possibilities, desires, or polite requests.