conception
noun
[ kənˈsɛpʃ(ə)n ]
• the action of conceiving a child or of one being conceived.
• "an unfertilized egg before conception"
• the forming or devising of a plan or idea.
• "the time between a product's conception and its launch"
Origin:
Middle English: via Old French from Latin conceptio(n- ), from the verb concipere (see conceive).