The president personally attended the meeting to give a speech.
Tips
register
Highly formal and literary. You will almost always meet it in compounds such as 莅临 lìlín (to grace with one's presence) or 莅会 lìhuì (to attend a meeting), used in event invitations and official notices.
memory
Top half 艹 (grass) over 位 (position): originally meant arriving at and overseeing one's post — the official 'taking position' on the ground.