knight of road (noun) commercial traveler: traveling salesperson
Sinonime: assisting,
beneficial,
commercial,
conducive, contributive, cost-effective,
effective,
effectual,
favorable,
fruitful, gainful,
going,
good, in the black,
instrumental,
lucrative, paid off, paying, paying well,
practical,
pragmatic,
productive, remunerative,
rewarding, self-sustaining, serviceable,
successful, sustaining,
sweet*,
useful,
valuable, well-paying,
worthwhileAntonime: disadvantageous, unprofitable