suppose

"Suppose it rains tomorrow?" asks someone to think about a possibility. "Suppose" is not about knowing something will happen; it is about imagining what might be true or asking someone to consider an idea. It can also mean to believe something is true without being fully sure. A detective might suppose a suspect is lying after noticing strange behavior. And in the form "be supposed to," it often means something is expected or required. Think of it as opening a small "what if?" scene in your mind, or inviting someone else into it.

The word "suppose" does several useful jobs in English. At its core, it means to assume or believe something is true without complete proof. If someone says, "I suppose you're right," they are accepting an idea, but often in a mild or careful way. It can sound thoughtful, uncertain, or slightly reluctant depending on the tone.

"Suppose" is also common when we invite someone to imagine a situation. "Suppose it snowed in July" asks the listener to picture an unreal or uncertain case and think about what would follow. In this use, the word often opens a "what if" discussion. It helps people test ideas, plan ahead, or explore possible results.

Sometimes "suppose" introduces a suggestion in a gentle, conversational way. A sentence like "Suppose we take the earlier train" means "What if we take the earlier train?" The speaker is offering an idea for others to consider, not giving a firm command. That is why the word often feels polite and open-ended.

There is also the very common pattern "be supposed to." Here the meaning changes a little. It usually means something is expected, arranged, or required. "You are supposed to be at work by nine" means that is the rule or expectation. "The package is supposed to arrive today" means that is what people expect based on the plan or available information. In everyday speech, this form is extremely common.

So the word moves across a few related areas: belief without full certainty, imagined situations, gentle suggestions, and expectations or duties in the form "be supposed to." In all of these uses, it carries a sense of something not being fully fixed by hard fact, which is why it is such a natural word for careful, flexible conversation.