I could standImperfect tense of supporter. In this sense, it means tolerating or putting up with someone or something; depending on context, it can also mean “I supported” or “I endorsed.” In informal speech, ne is often omitted, as in je supportais pas ça.
FR: À l'époque, je supportais encore le bruit de la rue.
EN: Back then, I could still stand the noise from the street.