The Collaborative International Dictionary
Definably
Definable \De*fin"a*ble\, a. [From Define.] Capable of being defined, limited, or explained; determinable; describable by definition; ascertainable; as, definable limits; definable distinctions or regulations; definable words. -- De*fin"a*bly, adv.
Wiktionary
definably
adv. In a definable manner; identifiably.
Usage examples of "definably".
One of them, seated at the desk, was elderly, grey-haired, drably clad, drooping and physically frail, irresolute and in definably unworldly of aspect.
But psi powers, if they exist at all, have been around since man was definably human.