The word "fade" indicates something that eventually disappears or loses its intensity. There are multiple synonyms for the word fade that can be used interchangeably to express the same meaning. "Diminish," "vanish," "decline," "dwindle," and "ebb" are some common substitutes for the word fade. "Diminish" refers to making something less, while "vanish" means disappearing entirely. "Decline" represents a gradual reduction in strength or quality. "Dwindle" is another option, meaning to become gradually smaller or weaker. Lastly, "ebb" refers to a gradual decrease in intensity or strength and can be used in situations related to water or tides.