the mind > attention and judgement > testing > debate, disputation, argument > putting forward for discussion > put forward [verb (transitive)] > support or defend (2)
transitive. To support or uphold in speech or argument; to defend (an opinion, statement, tenet, etc.); to assert the truth or validity of.
to draw one's pen (also quill): to attack or defend a person or thing in writing. Also with against, for. Cf. sense 54a. Now rare.