proving

noun 0.675

training ground

noun 0.631

proof of concept

noun 0.600

prover

noun 0.585

test track

noun 0.583

showground

noun 0.578

proofing

noun 0.578

testbed

noun 0.563

proof

noun 0.563

breeding-ground

noun 0.555

stamping ground

noun 0.549

proofer

noun 0.539

field test

noun 0.538

provability

noun 0.538

test bench

noun 0.532

test out

noun 0.532

counterproof

noun 0.522

hunting ground

noun 0.521

test

noun 0.520

battleground

noun 0.519

tester

noun 0.518

grounds

noun 0.516

probe

noun 0.513

groundbreaking

noun 0.510

ground

noun 0.509

ground truth

noun 0.509

trial run

noun 0.508

test drive

noun 0.504