So

As an adverb, "so" functions in a multitude of ways, primarily to indicate a cause-and-effect relationship, an extent or degree, or a manner. It can signal a consequence, express agreement or emphasis, or serve as a general placeholder. It often acts to connect clauses, providing cohesion and flow to written and spoken language. It's a versatile word, adaptable to many contexts and stylistic approaches. In addition, "so" can function as an adjective meaning true or certain.

So meaning with examples

• It was raining heavily, So we decided to stay indoors. (Cause and effect) The implication is that the rain caused the decision. Without the rain, the stay indoors would not have happened. The "so" links the first action to the second, illustrating consequence clearly. It's a concise transition, preventing long sentences.
• Are you ready to go? So I am! (Agreement/Emphasis) "So" simply indicates a complete agreement. It reinforces the "I am" showing that the speaker totally agrees. The brevity creates a lighthearted feel. It's used for brief and to the point interactions, keeping the exchange simple.
• He was So tired that he fell asleep immediately. (Extent/Degree) The "so" modifies the adjective "tired", emphasizing the intensity. The degree is very high, highlighting how his tiredness caused him to do something immediately. The emphasis enhances the emotional impact on a reader or listener.
• Just So you know, the meeting has been cancelled. (Placeholder/Transition) Here, "so" introduces a piece of information in a casual way. It's a softener, like adding "just", and alerts the listener to important information. It serves as a useful way of starting the message.