Force up can mean to raise, boost, lift, elevate, or escalate. These synonyms can be used interchangeably depending on the context of the sentence. For example, it can mean to raise prices, boost morale, lift someone's spirits, elevate one's status, or escalate a conflict. When trying to express urgency or intention to increase something quickly, force up is a great descriptive word to use, especially if other synonyms don't quite capture the intensity of the action. It's important to understand the different meanings and use the best synonyms appropriately to express a clear and concise message.