illimitable (i-lim'it-a-b'l), vast, immeasurable.
illuminate (i-lu'mi-nat), brighten with light.
illusion (i-lu'zhun), an unreality.
imbibe (im-bib'), receive, absorb.
imbue (im-bu'), tinge deeply.
immemorial (im'e-mo'ri-al), extending beyond reach of memory or record.
immortal (i-mor'tal), lasting forever.
immutable (i-mu'ta-b'l), unchangeable.
impede (im-ped'), hinder.
impediment (im-ped'i-ment), hindrance.