Tilt
Part of speech: verb
Definition: to slope or incline (something); to slant (jousting) to charge (at someone) with a lance to forge (something) with a tilt hammer to play worse than usual (often as a result of previous bad luck)
Part of speech: noun
Definition: a slope or inclination a joust a canvas covering for carts etc.
Example sentence: While it is useful to rebut charges and get your arguments out in circulation, you have to understand that arguments and evidence have little impact on people as long as their feelings tilt them against you.
Contestation
Part of speech: noun
Definition: The act of contesting; emulation; rivalry; strife; dispute.Proof by witness; attestation; testimony.