The word "dream" can be designed into many different signatures, depending on the emotion and style you want to express. Here are some possible signature designs:

1. If you want a simple and elegant signature, you can write the word "dream" as a smooth curve, similar to the waveform of water.

If you want a more artistic signature, you can write the word "dream" in the form of abstract painting and express it with various lines and shapes.

If you want a more concise signature, you can write the word "dream" in a minimalist style, keeping only the most basic strokes and structures.

If you want a more personalized signature, you can combine the word "dream" with other letters or symbols to form a unique logo.

No matter which design you choose, make sure that the signature is easy to recognize and remember, and it matches your own style and personality.