to move in a certain direction; to incline toward; to approach a state or condition

Suffix appearing after nouns or adjectives that expresses a transformation into a certain state or quality, meaning "-ize" or "-ization"

the natural purpose or activity of something, such as a biological or chemical process; often used as a suffix to mean "-ation" or "-ing" as in 消化 xiāo​huà plus this word for "digestion"