So is.

So has.

Really? Is it true?

In such a manner as. / With such a purpose as. / If only; on condition that.

Initialism of someone.

Initialism of significant other. / (sports) Initialism of shut out. / (sports) Initialism of shootout. / (baseball) Initialism of strike out. / (logic, computer science) Initialism of second-order logic.

Abbreviation of someone.

Alternative form of So.

Abbreviation of south.

Abbreviation of southern.