Emergent (adjective)

1. Rising or arising suddenly, as from a state of latency or concealment.
2. Resulting from the interaction of simpler elements, and possessing properties not inherent in those elements.
3. Urgent or pressing, requiring immediate attention or action.

Origin:

From latin emergere ("to rise out, come forth"), from e- ("out") + mergere ("to dip, plunge").

Examples:

1. An emergent crisis arose when the levees broke during the hurricane.
2. The emergent property of self-awareness is a fascinating aspect of human consciousness.
3. The manager was called in for an emergent meeting to discuss the unexpected results.
4. The emergent plant shoots could be seen pushing their way through the soil.
5. The emergent technology was changing the way people communicated and interacted with each other.