As tchrist (please correct me if I'm mistaken) mentioned in a comment, envalue is a word that, while not recorded in any dictionary, has seen actual use over the last hundred years and more with a meaning close to the one sought.
The general principle is that refinement may both envalue and
empower an artifact. (Real Spaces: World Art History and the Rise of
Western Modernism; David Summers; Broadfoot Publishing Company,
Morningside Bookshop, 1991)
I stated to him that I regarded the war as a sectional one and to
envalue principles. (Letter to Hon. J. J. Speed, Atton. Gen'l.; John A Campbell; Southern Historical Society papers; Richmond,
Virginia Historical Society, 1878)
Let the judges include the artistry of the mount as part of their duty
of selection but dismiss from consideration equipping every juror with
a yardstick. Roofing is envalued by the square foot. Pictures are
as the artist made them and framed them. He is the creator. The
expression is his. (Camera craft; Photographers' Association of
"He was sulking wasnt he Mommy?" the second son asks looking up into
her warm wise face envalued with eyelid wrinkles of love and
experience. (Prologos; Bayliss, Jonathan; Ashburnham, Mass. : Basilicum Press, 1999)
A number of other items envaluing more than $5,000 could have been
cited, but due to short allotment of time to complete the statement,
it is believed that the items enumerated herewith will suffice to
indicate the condition of the accounts for project No. 16. (Hearings
Before the United States. U.S. Congress. Senate. Committee on
interstate commerce, 1930)
It's even been used with people,
This strange event is seen therefore as at once the affirmation of
Universality (God is All) and of particularity (Jesus is envalued
and endorsed as a singular, real, unrepeatable person, and therefore
every singular person is envalued). (Meditation & reality : a critical
view; Fox, Douglas A., 1927-2008; Atlanta, Ga. : John Knox Press,
Fifth Columnists activities were publicized to a great exent, and the
American people were made to realize the seriousness of a situation
which envalued secret agents of foreign nations infestering the
sanctity of the American home. (The Pow Wow, Apr. 8, 1948; Tyler
However, this word would appear absolutely ridiculous in most of the blanks in question, saving perhaps the first.
Its scarcity envalued the coin.
His insight and
experience envalued Old Joe.
Their sensitivity to bad air envalues canaries in coal mines.
Her cooking envlaued Granny.
envalued by her cooking.
Deeds not words envalue a
In fact, this word exemplifies the issue with all of the words proposed so far - they are absolutely unwarranted in these contexts: using them would be to flaunt idiom and invite ridicule.
The natural choices are the ones in PerformanceDBA's answer.