mid-15c., from Anglo-French propicius, Old French propicius "gracious, favorable, useful" (12c., Modern French propice) and directly from Latin propitius "favorable, kind, gracious, well-disposed" (see propitiation). Earlier English form was propice, from Old French propice. Related: Propitiously.
a propitious alignment of planets for space exploration
propitious omens
propitious gales speeded us along
prophylaxis
propinquity
propitiate
propitiation
propitiatory
propitious
propone
proponent
proport
proportion
proportional