To appear or sprout.
To become larger, to increase in magnitude.
To undergo growth; to be present (somewhere)
To develop, to mature.
To cause or allow something to become bigger, especially to cultivate plants.
To assume a condition or quality over time.
To become tainted with mildew.
To taint with mildew.
A growth of minute powdery or webby fungi, whitish or of different colors, found on various diseased or decaying substances.