assuage v.

Def: to ease or lessen; to appease or pacify.

A hot compress will assuage the pain temporarily if followed by a cold compress.

arduous adj.

Def: strenuous, taxing; requiring significant effort.

It was an arduous climb up the rock for the climber.

approbation n.

Def: an act of approving formally or officially.

The smoke signal is a sign of approbation that the new pope has been selected.

anomoly n.

Def: abnormal or irregular; deviation from the normal order, form or rule

The radiologist concluded that the image must be an anomoly.

alacrity n.

Definition: Lively or cheerful willingness.

The alacrity the little girl possessed was unmistakable as she raised her hand to volunteer.

Aberrant adj.

Def: deviating from the norm.

The aberrant behavior of the monkey was noticed when he escaped the zoo and went ice skating.

Abscond v.

Def: to evade or depart secretly and hide oneself.

The thief tried to abscond but was caught trying to go through the window.