Wiktionary
vb. 1 (context intransitive English) To become pink. 2 (context transitive English) To make pink. 3 (context intransitive English) To blush.
Usage examples of "pinken".
He caught her close and smiled down at her and kissed her mouth and then her pale face until it pinkened and glowed with her happiness.
The question was casual, but he had noticed the pinkened lids and pale face.
So she ate obediently, looking up every now and then to find him looking at her with such love that she pinkened with delight, wishing the meal was over and they were home again.
Though he wore his own hair-cut fairly short and whitish-grey in color-he had caked his face with an elaborate maquillage of snow-white cream and powder, carefully drawn in soot-black brows and lashes, artificially pinkened his cheeks, and heavily carmined his puckered old mouth.
Bobby was looking forward to at least an hour's serious roadbuilding while the waves broke nearby and his skin pinkened in the bright coastal sunshine.