ponderable

Some common synonyms of ponderable are appreciable, palpable, perceptible, sensible, and tangible. While all these words mean "apprehensible as real or existent," ponderable suggests having definitely measurable weight or importance.

In some situations, the words appreciable and ponderable are roughly equivalent. However, appreciable applies to what is distinctly discernible by the senses or definitely measurable.

The meanings of palpable and ponderable largely overlap; however, palpable applies either to what has physical substance or to what is obvious and unmistakable.

The synonyms perceptible and ponderable are sometimes interchangeable, but perceptible applies to what can be discerned by the senses often to a minimal extent.

While the synonyms sensible and ponderable are close in meaning, sensible applies to whatever is clearly apprehended through the senses or impresses itself strongly on the mind.

The words tangible and ponderable are synonyms, but do differ in nuance. Specifically, tangible suggests what is capable of being handled or grasped both physically and mentally.