One possible synonym for the word "aken" could be "awakened," which suggests a person or object being brought out of a state of sleep or inactivity. Other possible synonyms might include "alert," "roused," "aroused," or "stirred," each of which conveys a sense of heightened awareness or heightened activity. Depending on the context, other synonyms for "aken" might include words like "revived," "reinvigorated," or "renewed," which suggest a sense of energy or vitality being restored to a person or object. Ultimately, the choice of synonym will depend on the intended meaning of the word in a given context, as well as the writer's own style and tone.