Favourable (10)
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'favourable' is the definition.
(associated in meaning)
This is the entire clue.
(Another definition for propitious that I've seen is " Of good omen".)
'favourable' is the definition.
(synonyms)
This is all the clue.
(Other definitions for auspicious that I've seen before include "Rosy" , "Promising" , "Favourable" .)
(Other definitions for friendly that I've seen before include "Amiable" , "such a society" , "on the same side" , "Affable" , "prepared to talk to fellow passengers?" .)
(Other definitions for well-disposed that I've seen before include "Inclined to be friendly" , "Favourable (towards)" .)