1
general::
Phrase(s): play along (with someone or something)
1. Lit. to play a musical instrument with someone or a group. • The trombonist sat down and began to play along with the others. • Do you mind if I play along? 2. Fig. to pretend to cooperate with someone or something in a joke, scam, etc. • I decided that I would play along with Larry for a while and see what would happen. • I don’t think I want to play along.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Cooperate or pretend to cooperate, as in They decided to play along with the robbers, at least for a while. [Colloquial; 1920s]
American Heritage Idioms