Someone would attend a lecture and sign the card handed around at its end.
He once attended a lecture on her case while studying at nursing college.
He met her when she attended a lecture by him about The Jungle.
You don't attend a lecture to record its content verbatim.
"Enough so that everyone can take an evening off to attend a lecture."
In the morning I had to attend a lecture.
After all, what harm could there possibly be in attending a lecture?
At the conference, he attended a lecture on Alutiiq culture.
I remember attending a lecture on this issue when I was at medical school more than 10 years ago.
He became interested in science at the age of eight, after attending a lecture about the solar system.