now

Dictionary definition · 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"
in these times"it is solely by their language that the upper classes nowadays are distinguished"
used to preface a command or reproof or request"now hear this!"
at the present moment"goods now on sale"
without delay or hesitation; with no time intervening"he answered immediately"
(prefatory or transitional) indicates a change of subject or activity"Now the next problem is …"
in the immediate past"told me just now"

Source: Open English WordNet (CC BY 4.0).