To increase (something) in extent or intensity; to intensify or step up.
To climb.
In technical support, to transfer a customer, a problem, etc. to the next higher level of authority
To become larger, to increase in magnitude.
To appear or sprout.
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.