Adjective : unwonted kindness.    From Dictionary.com. 

Dauriat was unwontedly courtier-like and complimentary.    From Wordnik.com.  [A Distinguished Provincial at Paris] Reference

Mansions, Penelope found Nan an unwontedly silent companion.    From Wordnik.com.  [The Moon out of Reach] Reference

“His Grace of Albany is unwontedly scrupulous today,” said.    From Wordnik.com.  [The Fair Maid of Perth] Reference

Europeans and Chinese are on an unwontedly friendly footing in.    From Wordnik.com.  [A Wayfarer in China Impressions of a trip across West China and Mongolia] Reference

There was an unwontedly tender gleam in her hard-featured face.    From Wordnik.com.  [The Moon out of Reach] Reference

Although her voice remained even, her face was unwontedly pale.    From Wordnik.com.  [Kushiel's Avatar]

It was unwontedly popular; and Tupper's name was on every tongue.    From Wordnik.com.  [English Literature, Considered as an Interpreter of English History Designed as a Manual of Instruction] Reference

In unwontedly quiet tones, he said, "Aye, sir, if you'd be so kind.".    From Wordnik.com.  [Rulers of the Darkness]

The swordswoman raised an eyebrow at Kethry's unwontedly serious tone.    From Wordnik.com.  [The Oathbound]

Had he been absent from home until an unwontedly late hour last night?.    From Wordnik.com.  [The Paternoster Ruby] Reference

"Oh, dear me!" gasped Ruth, paling unwontedly, for she was not by nature.    From Wordnik.com.  [Ruth Fielding Down East Or, The Hermit of Beach Plum Point] Reference

Martis was feeling unwontedly sensitive to the nuances in his expression.    From Wordnik.com.  [Fiddler Fair]

"This way," she said, unwontedly curt, and led him to the inner chambers.    From Wordnik.com.  [Time Patrolman]

The atmosphere of the Council Chamber this afternoon was unwontedly subdued.    From Wordnik.com.  [Exile's Valor]

Grotesque, heads plastered with mud, the sacred clowns kept unwontedly still.    From Wordnik.com.  [Operation Luna]

He was looking into the ice-blue eyes and unwontedly sombre face of Turcaill.    From Wordnik.com.  [His Disposition] Reference

She became unwontedly quiet -- so much so that Eliot's solicitude was awakened.    From Wordnik.com.  [The Vision of Desire] Reference

The screen glowed: Akadie's face was unwontedly peevish and his voice was fretful.    From Wordnik.com.  [Trullion: Alastor 2262]

"We'll all end up like him sooner or later, Nate, " Eure answered, unwontedly sober.    From Wordnik.com.  [The Guns Of The South]

“I quarrelled with my brother, little one,” she said, her voice unwontedly somber.    From Wordnik.com.  [Kushiel's Avatar]

Next day in their tent, Kam said, unwontedly solemn-the vast solemnity of youffi --! '.    From Wordnik.com.  [Inconstant Star]

I think you can readily make a case for "unwontedly cold", but that's barely hat weather.    From Wordnik.com.  [Making Light: Snowpocalypse Part Next] Reference

"Much too late," replied Lady Susan promptly, though her eyes, too, were unwontedly soft.    From Wordnik.com.  [The Vision of Desire] Reference

But that unwontedly humble thought did not alter it a hair's breadth that she must be his.    From Wordnik.com.  [O. Henry Memorial Award Prize Stories of 1921] Reference

Gurth, that thou art strangely courteous and most unwontedly pious on this summer morning?.    From Wordnik.com.  [Ivanhoe] Reference

With both hands on the rim of the hatch, Silk heaved up his unwontedly uncooperative body.    From Wordnik.com.  [Calde of the Long Sun]

Hector Bushell grew unwontedly thoughtful, and Sydney Blenkinsop began to get ungrateful again.    From Wordnik.com.  [Alfred Hitchcock's Mystery Magazine]

As he drove Lineham was unwontedly quiet - brooding, Thanet suspected, on Richard's predicament.    From Wordnik.com.  [No Laughing Matter]

The day was sunny, and the Marshalsea, with the hot noon striking upon it, was unwontedly quiet.    From Wordnik.com.  [Little Dorrit] Reference

I held out my hand, unwontedly white, and he took it flabbily, instead of briskly and warmly as he usually did.    From Wordnik.com.  [Sunny Slopes] Reference

She fancied he looked unwontedly arch as he resumed.    From Wordnik.com.  [Beauchamp's Career — Complete] Reference

Also, my family has been unwontedly dragging me into things I do not feel like doing.    From Wordnik.com.  [Bloggers.Pakistan] Reference

Sphinx of Mrs. Pagnell had been communing with himself unwontedly during the recent weeks.    From Wordnik.com.  [Lord Ormont and His Aminta — Complete] Reference