CONDUCIVE
conducive, contributing, contributive, contributory, tributary
(adjective) tending to bring about; being partly responsible for; “working conditions are not conducive to productivity”; “the seaport was a contributing factor in the growth of the city”; “a contributory factor”
Source: WordNet® 3.1
Etymology
Adjective
conducive (comparative more conducive, superlative most conducive)
Tending to contribute to, encourage, or bring about some result.
Synonyms: instrumental, helpful, favorable
Antonyms: inconducive, unconducive
Source: Wiktionary
Con*du"cive, a.
Definition: Loading or tending; helpful; contributive; tending to promote.
However conducive to the good or our country. Addison.
Source: Webster’s Unabridged Dictionary 1913 Edition