The verb entertain has 3 senses (first 2 from tagged texts)
1. (24) entertain -- (provide entertainment for)
2. (1) entertain, think of, toy with, flirt with, think about -- (take into consideration, have in view; "He entertained the notion of moving to South America")
3. harbor, harbour, hold, entertain, nurse -- (maintain (a theory, thoughts, or feelings); "bear a grudge"; "entertain interesting notions"; "harbor a resentment")