to see an opportunity and act; to play it by ear or use one's discretion based on how a situation develops

to handle matters according to the situation without needing to ask for instructions, often after being granted authority to do so

to observe the timing and act accordingly; to do as one sees fit depending on the situation

to decide how to act or treat someone based on their social status, rank, or one's personal relationship with them

To follow a plan; to act in accordance with a predetermined strategy.

A schedule or calendar used for planning activities and work items

to act with prudence; to steer a cautious course