allude to
1. To indirectly or vaguely refer to something. What exactly are you alluding to? Just come right out and say it!
2. To reference another source. Shakespeare alludes to the Bible in many of his works.
allude to someone or something
to refer to someone or something; to make an implication about someone or something. I did not mean to allude to someone you disliked so much. I alluded to the accident only once.