liaise

verb

Etymology: Back-formation from liaison, itself from French liaison (“binding”).

1. To establish a liaison.
2. To act between parties with a view to reconciling differences.
3. To cooperate, consult and discuss in order to come to a common solution.

   “As of May 12, Crossrail was liaising with contractors to enable physical work at stations to restart. This had been suspended on March 24 due to the COVID-19 outbreak.”