1. In a productive way
   "they worked together productively for two years"
   - fruitfully, profitably, prolifically

See also: productive

Antonym: unproductively

• busted
• bustee
• buster
• Buster Keaton
• bustier
• bustle
• bustle about
• bustling
• busty
• carbonnade
• carbonnade flamande
• carbonous
• carbonyl
• carbonyl group
• carbonylic
• carborundum
• carboxyl
• carboxyl group
• carboxylate
• carboxylic
• carboxylic acid
• carboxymethyl cellulose
• carboy
• carbuncle
• carbuncled