"tideover" refers to sustaining someone until a specific event or situation arises. There are several synonyms for this term, including "bridge", "carry", "sustain", "support", and "maintain". These words all imply the idea of continuing on through a period of time, but with the expectation of an eventual resolution. "Bridge" specifically refers to extending support during a transitional period, while "carry" suggests carrying someone or something through a difficult situation. "Sustain" and "support" both imply the idea of providing assistance to keep things going, while "maintain" suggests continuing a previous level of function or action. All of these words can be used interchangeably with "tideover" depending on the context.