Anagrams of: PROVINGGROUND

• the cutting of spiral grooves on the inside of the barrel of a firearm

• be shown or be found to be

• establish the validity of something, as by an example, explanation or experiment

• provide evidence for

• prove formally; demonstrate by a mathematical, formal proof

• put to the test, as for its quality, or give experimental use to

• increase in volume

• cause to puff up with a leaven

• take a trial impression of

• obtain probate of

• repeated heavy blows

• an instance of rapid strong pulsation (of the heart)

• the act of pounding (delivering repeated heavy blows)

• education or instruction in the fundamentals of a field of knowledge

• fastening electrical equipment to earth

• any number of entities (members) considered as a unit

• the activity of putting things together in groups

• a system for classifying things into groups

• weak from exhaustion

• hanging down (as from exhaustion or weakness)

• having branches or flower heads that bend downward

• a group of animals (a herd or flock) moving together

• a moving crowd

• a stonemason's chisel with a broad edge for dressing stone

• To pierce or poke with, or as if with, a prong