To identify the best synonym for the emphasized word in the sentence, "For sometime now, we’ve been toying with the idea of transferring all our business from physical to online sales only," we must grasp its meaning. In this context, "toying" signifies casually contemplating or entertaining an idea without a definitive decision.
Let's examine the given options:
- Launch: This term denotes initiating something new. It is unsuitable as the company is only contemplating the transition, not commencing it.
- Showing: This means to exhibit or present. It does not align with the sentence's focus on idea evaluation, not display.
- Considering: This implies careful thought about something. It precisely matches "toying" in this scenario, conveying the extended contemplation of an idea.
- Careful: This denotes caution or prudence. While related to thought, it does not capture the essence of exploring an idea.
Consequently, the most fitting synonym for "toying" in this context is considering.