IMAGE—likeness, picture, representation, effigy.
IMAGINARY—ideal, fanciful, illusory. (Real.)
IMAGINE—conceive, fancy, apprehend, think.
IMBECILITY—silliness, senility, dotage.
IMITATE—copy, ape, mimic, mock, counterfeit.
IMMACULATE—unspotted, spotless, unsullied, stainless. (Soiled.)
IMMEDIATE—pressing, instant, next, proximate.
IMMEDIATELY—instantly, forthwith, directly.
IMMENSE—vast, enormous, huge, prodigious.
IMMUNITY—privilege, prerogative, exemption.