For arguing:
* Argue: This is the most common verb and means to present reasons or evidence in support of or against something.
* Example: "They argued about the best way to solve the problem."
For a disagreement:
* Disputing: This verb implies a disagreement or debate.
* Example: "The two parties disputed the terms of the contract."
For a logical reasoning:
* Reason: This verb implies a logical or rational argument.
* Example: "The lawyer reasoned that the evidence was insufficient."
For a statement of facts:
* Assert: This verb implies a strong statement of a fact or opinion.
* Example: "The witness asserted that she saw the defendant at the scene."
For a specific type of argument:
* Debate: This verb is used for a formal or public discussion of a topic, often with opposing sides.
* Example: "The two candidates debated their policies on healthcare."
* Contend: This verb implies a strong disagreement or opposition.
* Example: "The scientists contended that the theory was flawed."
The best verb to use will depend on the specific context of the argument and the nuance you want to convey.