Of, or relating to two or more states.
A freeway that is part of the Interstate Highway System.
Crossing states (usually provincial state, but also e.g. multinational sense).
Of or relating to society.
Being extroverted or outgoing.
Cooperating or growing in groups.
Relating to a nation's allies.
Relating to social media or social networks.
A social media account.
A festive gathering to foster introductions.
A dance held to raise money, often held for a couple to be married.