verb

1. To show grounds for concluding (that); to indicate, imply.

2. To debate, disagree or discuss opposing or differing viewpoints.

   "He also argued for stronger methods to be used against China."

3. To have an argument, a quarrel.

4. To present (a viewpoint or an argument therefor).

   "He argued his point."

5. To prove.

6. To accuse.