(philosophy) a philosophical theory holding that all events are inevitable consequences of antecedent sufficient causes; often understood as denying the possibility of free will
within an indefinite time or at an unspecified future time; "he will understand eventually"; "he longed for the flowers that were yet to show themselves"; "sooner or later you will have to face the facts"; "in time they came to accept the harsh reality"
the momentary present; "Now is a good time to do it"; "it worked up to right now"
used to preface a command or reproof or request; "now hear this!"; "now pay attention"
at the present moment; "goods now on sale"; "the now-aging dictator"; "they are now abroad"; "he is busy at present writing a new novel"; "it could happen any time now"
in the historical present; at this point in the narration of a series of past events; "President Kennedy now calls in the National Guard"; "Washington now decides to cross the Delaware"; "the ship is now listing to port"
in the immediate past; "told me just now"
(prefatory or transitional) indicates a change of subject or activity; "Now the next problem is..."
the lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field