i Register
In some senses, announce is marked as US. Watch for register when choosing this word.
ADV
formally, officially, publicly
proudly
The school proudly announced that three students had won national science awards.
VERB + ANNOUNCE
be expected to, expect to
The company is expected to announce its new product line next month.
be delighted to, be pleased to, be proud to
We are delighted to announce that our company has won the international design award this year.
regret to
The hospital had to regret to announce that visiting hours would be cancelled due to the emergency.