adverb
to the same degree or amount
formal - used to introduce an example
conjunction
a - used to make comparisons
usually used in the phrase asas
b - used in the phrase asas to say when something should be done, how often something should happen, etc.
in the way that
b - used to introduce a statement which indicates that something being mentioned was known, expected, etc.
c - used in phrases with same
while or when
regardless of the degree to which :though
formal :for the reason that :because
used to indicate that one relationship is like another relationship
used with so or such to indicate the result or effect of something
as against
in comparison to (something)
as for
with regard to :concerning
as from
chiefly Brit - used to indicate the time or date when something begins
as if
or as though
the way it would be if
as someone would do if
used in spoken phrases to say that something is not true, will not happen, etc.
The phrase as if is sometimes used informally as an interjection to say that something suggested or claimed is impossible or very unlikely.
as is
chiefly US :in the present condition without any changes
as it is
in the present condition
with the situation that exists now
as it were
used to say that a statement is true or accurate in a certain way even if it is not literally or completely true
as of
used to indicate the time or date when something begins
as to
about
according to, by
as was
Brit informal :formerly, originally - used after a former name
so as
used to indicate the purpose of something
preposition
used to indicate how a person or thing appears, is thought of, etc.
used to indicate the condition, role, job, etc., of someone or something
US