unfold

develop or come to a promising stage

• “Youth blossomed into maturity”

open to the view

• “A walk through town will unfold many interesting buildings”

extend or stretch out to a greater or the full length

• “Unfold the newspaper”
• “stretch out that piece of cloth”
• “extend the TV antenna”

spread out or open from a closed or folded state

• “open the map”
• “spread your arms”