To show grounds for concluding (that); to indicate, imply.
To have an argument, a quarrel.
To debate, disagree, or discuss opposing or differing viewpoints.
To present (a viewpoint or an argument therefor).
To make a renunciation of something.
To cast off, repudiate.
To abandon, forsake, discontinue (an action, habit, intention, etc), sometimes by open declaration.
To fail to follow suit; playing a card of a different suit when having no card of the suit led.
To give up, resign, surrender.
To surrender formally some right or trust.
To decline further association with someone or something, disown.
An act of renouncing.