in the morning
a.m. (ante meridiem)
in the afternoon or evening
p.m. (post meridiem)
in the year of our Lord
A.D. (anno Domini)
and the rest, and so on
etc. (et cetera)
that is (to say)
i.e. (id est)
for example
e.g. (exempli gratia)
note carefully
NB or N.B. (nota bene)
addition to a letter after the signature
P.S. (post scriptum)
temporarily, for the time being
pro tem (pro tempore)