(usually plural) accessory wearing apparel
"She spent all her savings on new furnishing, buying a fresh coat and some stylish accessories for her upcoming job interview."
(usually plural) the instrumentalities (furniture and appliances and other movable accessories including curtains and rugs) that make a home (or other area) livable
"When we finally moved into our new apartment, the landlord provided all the basic furnishing so we could start living there immediately."
the act of providing a house or room with furniture and other removable items such as shelves, carpets, appliances, etc.
"After moving into the new apartment, we spent weeks on the furnishing by picking out a sofa, rugs, and kitchen appliances to make it feel like home."
Furniture, fittings, and other detachable accessories.
"When we moved into the new apartment, we spent most of our budget on furnishing rather than renovating the walls."
present participle of furnish
"The newly renovated apartment was being completed with the furnishing of fresh furniture and soft curtains."