When there is doubt about something, people often say "wait and see". However, there are other phrases that can be used instead of this. One option is "watch and wait", which implies that you are observing a situation before taking any action. Another phrase is "hold off", which means to delay making a decision or taking action until more information is available. "Bide your time" is another phrase that conveys a similar meaning, suggesting that you should be patient before acting. "Stay put" is also a useful synonym when it comes to waiting for something to happen. Finally, "sit tight" implies that you are waiting patiently for something to occur.