Having or showing official acceptance or permission; officially recognized as satisfactory or meeting required standards.
'Approved' implies that something has undergone scrutiny, evaluation, or a review process and has been deemed acceptable by an authority, organization, or individual with the power to authorize or endorse it.
It suggests confidence in the subject's quality, suitability, or validity for a particular purpose or application.
The level of scrutiny required before something is 'approved' can vary greatly depending on the context and the entity doing the approving.
OKD
OKED OKAY
OKAYED SIGNED
ENACTED
ENDORSED ASSENTED
INITIALED
SANCTIONED