humane, gentle, kind, and generous
humble, simple, submissive, and unostentatious
I
idea, imagination, conception, and ideal
idleness, recreation, repose, and rest
ignominious, infamous, despicable, and contemptible
illumine, instruct, enlighten, and inform
imaginative, sensitive, nervous, and highly-strung
impatience, indolence, wastefulness, and inconclusiveness
impel, stimulate, animate, and inspirit