favorable

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

Adj.	1.	favorable - encouraging or approving or pleasing; "a favorable reply"; "he received a favorable rating"; "listened with a favorable ear"; "made a favorable impression" favourable affirmative, affirmatory - affirming or giving assent; "an affirmative decision"; "affirmative votes" complimentary - conveying or resembling a compliment; "a complimentary remark" good - having desirable or positive qualities especially those suitable for a thing specified; "good news from the hospital"; "a good report card"; "when she was good she was very very good"; "a good knife is one good for cutting"; "this stump will make a good picnic table"; "a good check"; "a good joke"; "a good exterior paint"; "a good secretary"; "a good dress for the office" unfavorable, unfavourable - not encouraging or approving or pleasing; "unfavorable conditions"; "an unfavorable comparison"; "unfavorable comments", "unfavorable impression"
	2.	favorable - (of winds or weather) tending to promote or facilitate; "the days were fair and the winds were favorable" favourable propitious - presenting favorable circumstances; likely to result in or show signs of success; "propitious omens"; "propitious gales speeded us along"; "a propitious alignment of planets for space exploration" unfavorable, unfavourable - (of winds or weather) tending to hinder or oppose; "unfavorable winds"
	3.	favorable - presaging or likely to bring good luck; "a favorable time to ask for a raise"; "lucky stars"; "a prosperous moment to make a decision" lucky, prosperous, favourable, golden propitious - presenting favorable circumstances; likely to result in or show signs of success; "propitious omens"; "propitious gales speeded us along"; "a propitious alignment of planets for space exploration"
	4.	favorable - inclined to help or support; not antagonistic or hostile; "a government friendly to our interests"; "an amicable agreement" well-disposed, friendly amicable - characterized by friendship and good will
	5.	favorable - occurring at a convenient or suitable time; "an opportune time to receive guests" favourable convenient - suited to your comfort or purpose or needs; "a convenient excuse for not going"