If you’re a male and dream of wise old man, it can mean your intuition is speaking to you. It tells you to think and act with confidence, because you’ve attained the wisdom that comes with maturity.
The Wise Old Man in dreams can be the dreamer’s archetype. He is a combination of the dreamer’s masculine traits. The dreamer could be seeking answres for problems in life. The questioning mind can trigger a dream, in the form of a wise old man, to advise the dreamer.
If you’re female, you might have dreamed of the a wise old woman.