"To honour the invitation" means to accept and respect an invitation by attending or participating in the event or activity that was requested. Full definition
He would have honoured the invitation if he was invited. (punchng.com)
The EFCC said Oke who was recently sacked by President Muhammadu Buhari for allegedly stashing away N13bn in a house in Ikoyi, had been refusing to honour invitations for over three weeks. (punchng.com)
Earlier, Ghanaian Dancehall King, Shatta Wale honoured an invitation by the President, Nana Addo Dankwa Akufo - Addo, to visit him at the Flagstaff House. (ghnewsupdate.com)