figurative. intransitive. Of a person, his feelings, manner, etc.: To become softened or ‘melted’ in feeling; to throw off coldness and reserve; to…

absol. ? To relax, unbend. Obsolete.

To free oneself from constraint or ceremony; to act in an unconstrained or genial manner; to relax one's seriousness or severity.

intransitive. To become less stiff, distant, or reserved; to assume a friendlier manner. Also with into.

to put up, turn up (one's) hair: said of a girl when she exchanges her floating hair or ringlets for the dressed hair of womanhood; to door put up,…

figurative. To unbend, become less stiff.