The phrase "were a quandary" denotes a state of confusion or perplexity. Some antonyms for this phrase could be "were decisive," "were certain," "were resolute," or "were clear." These words suggest a state of firmness or certainty, indicating that there is no confusion or hesitation. For example, instead of saying "we were in a quandary about which restaurant to choose," one could say "we were decisive and quickly selected the best restaurant." Other antonyms for "were a quandary" could include words like "resolved," "determined," or "decisive," which all suggest a confident and determined approach to problem-solving.