today
noun
the present time or age
“the world of today”
“today we have computers”
the day that includes the present moment (as opposed to yesterday or tomorrow)
“Today is beautiful”
“did you see today's newspaper?”
adverb
in these times
“it is solely by their language that the upper classes nowadays are distinguished”
“we now rarely see horse-drawn vehicles on city streets”
on this day as distinct from yesterday or tomorrow
“I can't meet with you today”
Source: WordNet 3.1, Princeton University