Emily Dickinson Lexicon

PROP-A-GA'TION, n. [Fr. from L. propagatio.]

1. The act of propagating; the continuance or multiplication of the kind by generation or successive production; as, the propagation of animals or plants. There is not in nature any spontaneous generation, but all come by propagatian. – Ray.
2. The spreading or extension of any thing; as, the propagation of sound or of reports.
3. The spreading of any thing by planting and establishing in places before destitute; as, the propagation of the Gospel among pagans.
4. A forwarding or promotion.