Essential to own.
An item that one must own, or a feature that is essential to a service, etc.
Most important; essential.
Not imaginary; real; actual; true; veritable.
Having a substance; actually existing.
Corporeal; material; firm.
Possessed of goods or an estate; moderately wealthy.
Satisfying; having sufficient substance to be nourishing or filling.
Large in size, quantity, or value; ample; significant.
Having good substance; strong; stout; solid; firm.
Anything having substance; an essential part.