arguer

intransitive verb argued, arguing

1. to give reasons (for or against a proposal, proposition, etc.)
2. to have a disagreement; quarrel; dispute

Origin: ME arguen < OFr arguer < VL argutare, for L argutari, to prattle, freq. of arguere, to make clear, prove < IE base *ar(e)g-, gleaming (see argent); OFr meaning and form infl. by arguere

transitive verb

1. to give reasons for and against; discuss; debate
2. to try to prove by giving reasons; maintain; contend
3. to give evidence of; seem to prove; indicate: his manners argue a good upbringing
4. to persuade (into or out of an opinion, etc.) by giving reasons