Goad
Description: A long item used to prick something (usually cattle)
POS: noun (can be used as verb)
Synonyms: poke, push, urge
Sentence: A goad was used to drive a horse and plow to go faster.
Picture: http://www.visitflorida.com/images/cms/1115499906.57_lowres_lg.jpg

Capricious
Description: Unpredictible
POS: Adjective
Synonyms: Variable, change, impulsive.
Sentence: We have very capricious weather in Michigan.
Picture: http://sirocco.accuweather.com/nx_mosaic_400x300c/re/inmaremi_.gif

Obviate
Description: To prevent something from happening.
POS: Verb
Synonyms: eliminate, avert, prevent
Sentence: Joe obviated the risk of falling off the bull.
Picture: http://www.geraldroberts.com/images/grbull.jpg

Malady
Description: A chronic disease or disorder.
POS: noun
Synonyms: Illness, sickness, affliction
Sentence: The women suffered from a rare malady.
Picture: http://www.smh.com.au/ffximage/2006/01/11/meningococcal_narrowweb__300x452,0.jpg

Felicity
Description: state of being happy
POS: noun
Synonyms: Joy, Bliss, Pleased
Sentence: When the little kids recieved their christmas gifts they were in felicity!
Picture: http://lchc.ucsd.edu/FifthDimension/pictures/funny/images/big%20smile_JPG.jpg