inclination - A tendency or preference toward something; a liking or desire.
impervious - Not allowing something to pass through; impenetrable; not affected or influenced by something.
impressive - Eliciting admiration or respect due to excellence, skill, or ability.
incendiary - Likely to cause fire, violence, strong feelings, or anger.
impressionable - Easily influenced by somebody or something, usually due to being inexperienced or naïve.
inevitable - Certain to happen and impossible to avoid.
influx - A large arrival or flow of people, things, or money into a place.
ineffable - Too great, powerful, or beautiful to be described in words.
indefensible - Unable to be defended, justified, accepted, or excused.
inflammatory - Causing or likely to cause strong emotions, especially anger or hostility.
incline - A slope or slant, especially a surface that is changed from a horizontal position
inflammation - A physical condition characterized by redness, heat, swelling, and pain, often as a response to injury or infection.