RichThesaurus
earlier than
earlier than
synonyms
prior to
before
previous to
in advance of
until
ante-
ahead of
till
pre-
up to
anterior to
leading up to
up until
up till
preceding
in preparation for
in expectation of
on the eve of
preliminary to
preparatory to
in anticipation of
earlier than
antonyms
after
following
as a result of
behind