certitude :  the state of being or feeling certain
innocious :  innocent , harmless, insipid
insipid   :  banal , dull, tasteless , trite 
abdicate :  give up , renounce , discard
rectitude : righteousness, the quality or state of being right
beatitude : the state of utmost bliss
bliss : the state of complete hapiness
saunter : stroll , to walk in an idle or leisurely manner