Ant. Concealment, mystification, ignorance, occultation.

Infringe. Transgress, violate, break, disobey, nullify.

Ant. Preserve, observe, conserve, maintain.

Infuse. Instil, inspire, introduce, inculcate, implant, diffuse, shed, steep, soak, water, infiltrate, insinuate, breathe into.

Ant. Strain, dry, drain, divert, retract.

Ingenious. Inventive, gifted, able, clever, bright, ready, sagacious, adept, skilful.

Ant. Unskilful, uninventive, slow, unready, unresourceful, unprepared, unapt.

Ingenuity. Inventiveness, ingeniousness, acuteness, skill, ability, readiness, faculty, aptitude, cunning, turn, gift, genius.

Ant. Inability, ineptitude, clumsiness.

Ingenuous. Artless, open, candid, frank, sincere, straightforward, honest, transparent, guileless, truthful, childlike, naive, noble, generous, honorable.