unwrinkled

Etymology
From.

Adjective

 * 1) Without wrinkles.
 * 2) * 1649, Leonard Willan (translator), The Phrygian Fabulist or, , London: Nicolas Bourn, 101. “The Shipwrackct Shepherd,” p. 84,
 * Emtie escaping, home return’d again;
 * A few daies after to the same place came:
 * Where hee beheld the Sea’s unwrinkled face,
 * Smile again on him with alluring Grace.
 * Smile again on him with alluring Grace.