Answer: triedandtrue

AnswerCrossword Clue
TRIEDANDTRUE

Reliable

TRIEDANDTRUE

Dependable

TRIEDANDTRUE

Honest, like a defendant?

TRIEDANDTRUE
Proven
TRIEDANDTRUE
Fully proven to work
TRIEDANDTRUETime-tested
TRIEDANDTRUEProven to work
TRIEDANDTRUEFaithful twosome
TRIEDANDTRUEProven to be reliable