To wonder, think of deeply. / To consider (something) carefully and thoroughly. / (obsolete) To weigh.

(colloquial) A period of deep thought.

(physics) Having a detectable amount of matter; having a measurable mass. / Worthy of note; significant, interesting. / (rare) Heavy; ponderous.

The state or quality of being ponderable.

plural of ponderability

The fact of having a detectable weight or mass. / Amenability to consideration or thought.

A surname.

Heavy, massive, weighty. / (figuratively, by extension) Serious, onerous, oppressive. / Clumsy, unwieldy, or slow, especially due to weight. / Dull, boring, tedious; long-winded in expression.

A person who ponders; a thinker.

In a ponderous manner; very slowly. / With the appearance of great weight.