furthersome

From further +‎ -some.

furthersome (comparative more furthersome, superlative most furthersome)

1. (archaic) Tending to further, advance, or promote; helpful; advantageous.

   Antonyms: hindersome, thwartful

   • 1851, Thomas Carlyle, The Life of John Sterling, London: Chapman and Hall, […], →OCLC:

     you will find it a most handy and every way furthersome , blessed and felicitous world

• “furthersome”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.