Definitions

1. adverb

used to indicate that a conclusion is drawn from what has been mentioned

“We need to leave now, therefore we must hurry.”

2. conjunction

used to indicate that the second of two things is a consequence of the first

“I’m tired, therefore I’m going to bed.”

3. noun

a conclusion drawn from what has been mentioned

“The therefore of her argument was that we should take action.”

4. preposition

used to indicate the reason or cause of something

“I’m going to the store, therefore I’ll be back soon.”