supportiveness en · NOUN
Etymology
Etymology tree English supportive Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English supportiveness From supportive + -ness.
Meanings
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(uncountable) The property of being supportive.
The supportiveness of the parents who did attend was noted by many conferees whose parents were not present and perhaps were not aware of their children's sexual preference. Some regretted not inviting their parents to the gathering to share the experience.
1983 August 20, Aliza Maggid, Aryeh Engel, “Being Gay, Being Jewish, Being Family”, in Gay Community News, volume 11, number 6, page 15: