interestedness

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

However, through all the rigid discipline the little girl retained her natural buoyancy of childhood, the spontaneous interestedness, the cheerfulness and animation, which were a part of her goodly heritage.

I thank you my dear Aunt for your kind Epistles of April 9th & Nov'r 10th, the kind interestedness you yet continue to take in my concerns merits the warmest returns of Gratitude.

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.

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.