1. Made smooth by ironing
   "The smoothened tablecloth was ready for the dinner party";
   - smoothed

1. Make smooth or smoother, as if by rubbing
   "smoothen the surface of the wood";
   - smooth
    
2. Make (a surface) shiny
   "He smoothened the wood with sandpaper";
   - polish, smooth, shine
    
3. Become smooth
   "The rough edges smoothened with repeated use"

See also: ironed

Type of: beautify, change, change surface, fancify, prettify

Encyclopedia: Smoothened