What is the meaning of emergence?

noun

• The gradual beginning or coming forth.
  • usage: "figurines presage the emergence of sculpture in Greece"
  • synonyms: outgrowth, growth
• The becoming visible.
  • usage: "not a day's difference between the emergence of the andrenas and the opening of the willow catkins"
  • synonyms: egress, issue
• The act of emerging.
  • synonyms: emersion
• The act of coming (or going) out; becoming apparent.
  • synonyms: egress, egression