This is the 14115th most frequent German word.
geschäftliche
"Geschäftliche" means "business-related" or "pertaining to business" in English.
In this sentence, 'geschäftliches' is an adjective describing the type of meeting, indicating it's related to business.
Ich habe ein geschäftliches Meeting um 9 Uhr.
I have a business meeting at 9 o'clock.
Here, 'geschäftlichen' as an adjective modifies 'Angelegenheiten', referring to matters or affairs in a business context.
Die geschäftlichen Angelegenheiten wurden schnell geklärt.
The business matters were resolved quickly.
In this context, 'geschäftliche' describes 'Kontakte', specifying the type of contacts, related to business relationships.