To continue or proceed as before.
To act or behave; especially to misbehave so as to attract attention.
To talk continuously about, often in an excessively excited way
To continue, maintain or pursue (:an activity or enterprise)
To have an illicit sexual or flirtatious relationship.
To take baggage or luggage onto an airplane, rather than check it.
To act as a flagship for.
The most important one out of a related group.
The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag.
The ship regarded as most important out of a group, e.g. a nation's navy or company's fleet.