conjunction
1.
a. obsolete : so 1a
I hope you shall receive honorable requital of his amicable ambassade so as you shall have no cause to regret his arrival — Elizabeth I
b. : so 1b
repeated aloud so as there'd be no chance of a mistake — G.W.Brace
2. : provide that
could play 'em a tune on any sort of pot you please, so as it was iron or block tin — Charles Dickens