"opened the discussion with" is correct and can be used in written English.
This phrase typically means that someone began a conversation or initiated a topic for discussion. Example: The team leader opened the discussion with a brief overview of the project goals and then invited everyone to share their ideas.
Trump opened the discussion with a speech on the importance of appointing conservative justices to the Supreme Court, members said.
A trust officer opened the discussion with an unqualified forecast: "Ten-year Treasuries are yielding 4.73percentthisis morning, but yields are going higher".
Through his interpreter he opened the discussion with the elder by telling him he needed to know about bad guys working in the area.
Chinese Perspective -- CTBT 17. (S/NF) U/S Tauscher opened the discussion with Chinese Vice-Minister of Foreign Affiars He Yafei with a description of U.S. preparations to seek ratification of the CTBT in the Senate.
I interviewed him last week, and he opened the discussion with the topic of torture.
Along with two cofounders of #BlackLivesMatter, Patrisse Cullors and Alicia Garza, Hill opened the discussion with hopeful trepidation.
Dr. Ibrahim (let's just agree to call him Mo) opened the discussions with a charge: we all have accountability over the agenda of promoting human rights in business practice.
Alex Saum-Pascual opens the discussion with a pedagogical approach to electronic literature in Spanish Literature classrooms.
The author's paper is distributed in advance, and a designated commentator opens the discussion with questions about the research.
So before making suggestions, ask questions, get familiar with the particulars and resist the temptation to generalize. 2. Open the discussion with curiosity.
Open the discussion with a plate of something delicious!
