certifiable

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Non-certifiable: Agencies generally do not approve, recommend, or validate particular solutions.
非担保性：代理商一般不赞成、推荐，或确认某种方案。
All his published designs are technically certifiable by the FAA, and can be implemented in airplanes already in use.
他的所有的公开设计的技术都是得到美国联邦航空局认可的。在现有的飞机上也能得到实践。
If anything, when I see a natural label, it makes me all the more skeptical of the product, as it more often tends to be a sign of cynical marketing than any certifiable purity.
如果我看到有任何一样东西粘贴了“天然”之类的标签，那反倒使我更加怀疑其“天然性”。因为那会让人更容易想到，那只不过是商家的一种营销伎俩罢了，根本没法确保其纯净与否。

The same concept applies to online education: consumers are willing to pay much more for media that provides certifiable education than they pay for a Netflix movie.
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"Christina" is one of the most elegantly simple melodies in jazz, as well as a certifiable standard from bassist Buster Williams, who mentored Blackout members Stefon Harris and Casey Benjamin.
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Like the course offerings at most continuing education departments and university extensions: tastes of the real stuff, a window into the real thing, but nothing that made deep, holistic, and certifiable sense.
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If you describe someone as certifiable, you think that their behaviour is extremely unreasonable or foolish.