favorableness

fa·vor·a·ble  (fvr--bl, fvr-)

adj.

1. Advantageous; helpful: favorable winds.

2. Encouraging; propitious: a favorable diagnosis.

3. Manifesting approval; commendatory: a favorable report.

4. Winning approval; pleasing: a favorable impression.

5. Granting what has been desired or requested: a favorable reply.

6. Indulgent or partial: listened with a favorable ear.

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favor·a·ble·ness n.

favor·a·bly adv.

Synonyms: favorable, propitious, auspicious, benign, conducive
These adjectives describe what is indicative of a successful outcome. Favorable can refer to what contributes in a positive way to the attainment of a goal: a favorable review.
Propitious implies a favorable tendency or inclination: "Miracles are propitious accidents" (George Santayana).
Auspicious refers to what presages good fortune: an auspicious beginning.
Benign applies to people or things that exert a beneficial influence: "I lingered round them, under that benign sky . . . and wondered how anyone could ever imagine unquiet slumbers, for the sleepers in that quiet earth" (Emily Brontë).
Something conducive leads or contributes to a result, often a desirable one: a quiet place conducive to reading.

Thesaurus

Noun

1.

favorableness - the quality of being encouraging or promising of a successful outcome advantageousness, favourableness, profitableness, positiveness, positivity advantage, vantage - the quality of having a superior or more favorable position; "the experience gave him the advantage over me" auspiciousness, propitiousness - the favorable quality of strongly indicating a successful result unfavorableness, unfavourableness - the quality of not being encouraging or indicative of success