Tested

13 clues
Tried
Proven
Sampled
Checked
Quizzed
Examined
Assessed
Reliable
Tried out
Evaluated
Checked out
Tried and true
No longer green
Similar answers:
Aaarated
Aaronites
Abated
Abates
Abbreviated
Abbreviatedfilm
Abbreviatedword
Abbreviates
Abdicated
Abdicates
Abducted
Abetted
Ablated
Ablates
Abnegated
Abnegates
Abominates
Aborted
Abovethefruitedplain
Abrogated