When it comes to expressing oneself in a composed and controlled manner, the word "restrainedly" often comes into play. However, there are several other synonyms that can be utilized to communicate the same message. Terminologies like "moderately," "calmly," "reservedly," "temperately," and "judiciously" can be used as substitutes for restrainedly. Each of these words narrates the idea of self-control, composure, and moderation to varying degrees; it all just depends on what your intentions are. While one may prefer the word "moderately" to communicate a sense of balance, another may opt for "judiciously" to illustrate a more calculated approach in their restraint. Ultimately, it's about selecting the synonym that best fits your desired tone and message.