Used to make a polite, somewhat tentative suggestion about what to do next.
“Perhaps we should double-check the numbers before sending the invoice.”
“Perhaps we should wait until Monday to hear back from the manager.”
This is a softer alternative to 'we should,' often used in the Problem Solving conversation when a speaker doesn't want to sound too forceful about their idea. Notice the tone here — 'perhaps' signals politeness rather than certainty, which can help you answer questions about how confident a speaker is.
Synonyms: maybe we should, we might want to, it may be best to