The phrase "a pertinence" is correct and usable in written English.
It can be used when discussing the relevance or significance of a particular topic or detail in a given context.
Example: "The speaker emphasized the pertinence of the research findings to current environmental issues."
Alternatives: "a relevance" or "an applicability".
Suddenly it became full of a pertinence that perhaps it hadn't had before".
With characteristic wisdom and tenderness, combined with an unnerving linguistic physicality, this glimpse reveals both a sadness and a pertinence which makes it a must for any Shields fan.
As Mr. Cooper's lady, Jane Wyatt does what the role demands, which is to be brave and inspiring and wrap up a sack of sentiment.The coincidence of this picture at a time when the Navy is again fighting a battle for its aircraft should lend it a pertinence which may make it all the more sizzling for those who are in the "know". Certainly the general implications will not be entirely escaped.
'He's the ultimate manifestation of the myth of the promiscuous photographer,' says Charlotte Cotton, a curator at the Photographer's Gallery in London, 'and his fashion work to date has played around with that myth and, in the process, had a real pertinence in an industry that tends to be conservative and anodyne.
Yet these homely pictures have a troubling pertinence: their true subject is climate change.
With austerity forcing many into poverty, this tale has a particular pertinence.
In Prague, Bucharest and Timisoara this winter, that last line had a dreadful pertinence.
There's a political pertinence, mind you, in light of California's Proposition 8 laws on gay marriage.
But the fantasy of traveling into outer-space blackness to find other, friendlier future worlds, had a specific pertinence to black nationalist thinking at the time.
Of the three, Courbet's art may be the strangest of all, and in a time when seemingly old-fashioned representational painting is thriving, his work has a striking pertinence.
