To make (something old or outdated) up to date, or modern in style or function by adding or changing equipment, designs, etc.
To become modern in appearance, or adopt modern ways
To move backwards to an earlier stage; to devolve.
To move from east to west.
To perform a regression on an explanatory variable.
To interrogate a person in a state of trance about forgotten elements of their past.
The act of passing back; passage back; return; retrogression.
In property law, the right of a person (such as a lessee) to return to a property.
The power or liberty of passing back.