underway · adjective /ˌʌn.dəˈweɪ/
underway
C2 If something is underway, it is happening.
Dictionary example:
Economic recovery is already underway.
Learner example:
The weather was beautif[u]l and the sun sh[one] but as soon as I was underway, the weather turned on us and grew worse with every step. (Certificate of Proficiency in English; C2; Dutch)
get underway
C2 to begin
Dictionary example:
The film festival gets underway on 11th July.