to furnish or adorn with something ornamental or becoming; embellish: to decorate walls with murals.
to plan and execute the design, furnishings, and ornamentation of the interior of (a house, office, apartment, etc.), especially by selecting colors, fabrics, and style of furniture, by making minor structural changes, etc.: Their house is decorated in French Provincial style.
to confer distinction upon by a badge, a medal of honor, etc.: to decorate a soldier for valor.
(often initial capital letter) of pertaining to, or characteristic of the English gothic architecture of the late 13th through the late 14th centuries, characterized by curvilinear tracery, elaborate ornamental sculpture and vaulting, and refinement of stonecutting techniques.
(transitive) to make more attractive by adding ornament, colour, etc