fruitful

• fruitfull (archaic)

From Middle English fruitefull, equivalent to fruit +‎ -ful. Compare Dutch vruchtvol, German fruchtvoll, Swedish fruktfull.

fruitful (comparative more fruitful, superlative most fruitful)

1. Favourable to the growth of fruit or useful vegetation; fertile; not barren.
2. Being productive in any sense; yielding benefits.

   The extra work in the office turned out to be fruitful after all - I got promoted

• 1611, The Holy Bible, […] (King James Version), imprinted at London: By Robert Barker, […], OCLC 964384981:

  Genesis, I, 22

  And God blessed them, saying, Be fruitful, and multiply, and fill the waters in the seas, and let fowl multiply in the earth.

• See also Thesaurus:productive

• unfruitful
• barren
• infertile

• fruitfully
• fruitfulness

• fruitful in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• fruitful in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.