interestedness

"Take into account the skill of forgers and the interestedness of apologists and calumniators."

From Bouvard and Pécuchet A Tragi-comic Novel of Bourgeois Life by Gustave Flaubert

We are told that Matthew Arnold combined all the characteristics of good conversation—politeness, vivacity, sympathy, interestedness, geniality, a happy choice of words, and a never-failing humor.

From Talks on Talking by Grenville Kleiser

The especial point of excellence which characterizes the work of the Negro teacher is its interestedness.

From Twentieth Century Negro Literature Or, A Cyclopedia of Thought on the Vital Topics Relating to the American Negro by Daniel Wallace Culp

These are attachments that depend on sentiment rather than on interest, and which are as much purer and holier, as virtuous sentiment is purer and holier than worldly interestedness.

From A Residence in France With an Excursion Up the Rhine, and a Second Visit to Switzerland by James Fenimore Cooper

Now that Roxalanne came to entreat him to do that which already he saw himself forced to do, he turned his attention to the profit that he might derive from her interestedness on my behalf.

From Bardelys the Magnificent; being an account of the strange wooing pursued by the Sieur Marcel de Saint-Pol, marquis of Bardelys... by Rafael Sabatini