Updated: Oct 2
1. really; extremely "as if"（Usually written using kana alone）
Hold your tongue, or you'll be killed.
Read the newspaper every day, or you will fall behind the times.
Keep down, or you'll be shot.
Note: さも／然も in most cases gives of the sense of "truly" or "really" from certain situations. In some situations you can use さも／然も in ways of describing a situation using word close to fit would be "as if"for instance.
He says that as if he were right, but in fact he is wrong.
I added as if to the definition because there are still other forms of using さも／然も. But I think you'll get the idea how it is used.
These sentence examples have come from jisho.org
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