appreciable amount (noun) much: a great deal
Detalii: many means being one of a large indefinite number, while much means great in quantity, degree, or extent
Sinonime: assert, asseverate,
attest, aver, avouch, avow,
certify,
cinch, clinch,
confirm, cross heart,
declare,
guarantee, have a lock on,
ice*,
insist, lock up,
maintain, nail down,
okay,
predicate,
profess,
pronounce, put on ice,
ratify,
repeat, rubber-stamp, say so,
set,
state,
swear, swear on bible, swear up and down,
testify, vouch,
witnessAntonime: deny,
negate,
nullify, veto