Like any non-profit, MAPS probably needs good news and promising findings to keep donors interested.
In just three years, he has become the channel's most promising cash cow and trademark male face.
Does he really have the money to pledge, or is he just promising to donate money he no longer controls for PR purposes?
"showing signs of future excellence," c.1600, present participle adjective from promise (v.). Related: Promisingly.
c.1400, "a pledge, vow," from Old French promesse "promise, guarantee, assurance" (13c.) and directly from Latin promissum "a promise," noun use of neuter past participle of promittere "send forth; let go; foretell; assure beforehand, promise," from pro- "before" (see pro-) + mittere "to put, send" (see mission). The ground sense is "declaration made about the future, about some act to be done or not done."