KEY: Cognizance.
SYN: Notice, observation, recognition, knowledge, experience.
ANT: Inadvertence, neglect, ignorance, inexperience, oversight,connivance.

• Impostor
• Imposture, [See IMPOSTOR_and_CHEAT]
• Impotence
• Impotent
• Impound, [See POUND]
• Impoverish, [See ENRICH]
• Impracticable, [See PRACTICABLE]
• Imprecate, [See IMPETRATE]
• Impregnable, [See PREGNABLE]
• Impregnate
• Impressive
• Impress
• Impress \v
• Imprison
• Imprisonment
• Improper, [See PROPER]
• Improve
• Improvement
• Improvident
• Impudence
• Impudent
• Impugn
• Impulse
• Impulsive
• Impure