The word "pick-up" can have multiple meanings depending on the context of the sentence. It can refer to a romantic or sexual encounter, a vehicle used for transportation, or the act of collecting or retrieving something. To avoid repetition in writing or speech, it is important to have a variety of synonyms for "pick-up" at your disposal. Some options for a romantic encounter could be fling, hook-up, or rendezvous. Alternative terms for a vehicle used for transportation include truck, van, or SUV. For the act of collecting or retrieving something, options could be gather, retrieve, or collect. Having a diverse vocabulary can enhance the clarity and flow of your writing and communication.