Idiocy extreme mental deficiency
impartial not taking sides
impertubable marked by calm and impassivity
implored asked, begged, pleaded
impose to force one's attention on another
impostor one who assumes the identity of another
impulse a sudden spontaneouls inclination
incantation the use of spells or verbal charms
incoherently not able to be understood
incredulously unwilling to accept what is offered as true
indignation anger aroused by something unjust
indigo a blue vat dye obtained from plants
induct to admit as a member
infestation spreading or swarming over in a troublesome manner
inkling a slight knowledge or vague notion
inquiry a request for information
inscrutable not readily investigated, interpreted or understood
inspired outstanding or brilliant in a way
intercept to stop, seize or interrupt in progress