To assert without proof or confirmation.

S: claim, contend

A: prove, deny

Thoroughgoing, out-and out; shameless, blatant

S: egregious, unmitigated

Light and playful conversation

S: banter,persiflage, repartee

A: sermon

To overcome the distrust of, win over; to appease, pacify; to reconcile

S: placate, mollify, propitiate 

A: antagonize, alienate, estrange

To cancel or reverse one order or command with another that is contrary to the first

S: recall, revoke

A: reaffirm, reassert

An organized military unit, and arrangement

S: level, rank 

To make more violent, severe, bitter, or painful

S: aggravate, intensify, worsen

A: alleviate, mitigate, ameliorate

Stupid of foolish in a self-satisfied way

S: silly, vapid, inane, doltish, vacuous

A:sensible, intelligent, perceptive, bright