Forechoice is a term which is not very commonly used in everyday language. However, it can be defined as a decision that is made beforehand or a choice that is pre-emptive in nature. If you're looking for some synonyms for the term, some suitable words include pre-selection, pre-choice, predetermined choice, prearrangement, forward planning, forethought, anticipation, and foresight. All of these words are similar in meaning to forechoice and can be used interchangeably in most contexts. Whether you're talking about work-related decisions, personal choices, or even planning for the future, using one of these synonyms in place of forechoice will help you to convey your message more effectively.