fac-, facil-, fact-, feas-, -feat, -fect, -feit, -facient, -faction, -fic-, -fy, -ficate, -fication

(Latin: to make, to do, to build, to cause, to produce; forming, shaping)

horrify (verb), horrifies; horrified; horrifying
1. To cause someone to feel terror or fear: Greg horrified Mary and Sally at school with the snake that he had caught.
2. To cause an unpleasant surprise or perturbation to someone: "Norman, don't horrify your mother with such gruesome stories!"
3. To distress or to greatly dismay people: The company horrified its employees with the news that the lack of business would result in several people losing their jobs.
humidification
1. The addition of moisture to the air, thereby increasing the latent heat.
2. The process of making an area moist or of increasing the moisture content; especially in the air.
humidifier
1. A device or machine that keeps the air moist inside an enclosed space.
2. A machine, or special equipment, designed for increasing the humidity in a room, greenhouse, or other enclosure.
humidify
To make something, especially the air, more moist or damp.
humification
humify
identification
identifier
identify
imperfect
imperfectibility
imperfectible
imperfection
improlificate
To impregnate.
indemnification