Use 'overture' to describe an action that initiates a meaningful conversation or discussion. His comments about climate change were just an overture to the environmental debate.
Pro Tip 2/3
Not a Conclusion
'Overture' should not be mistaken for an end; it is always a beginning leading to something else. The ceasefire was an overture to peace talks, not the end of the conflict.
Pro Tip 3/3
Positive Initiative
The word 'overture' often has a positive connotation, suggesting a proactive and well-intentioned gesture. Her volunteer work was an overture to community building.