A quick search of online thesauruses yields various synonyms for the word "acen". A few potential replacements include "dominate," "excel," "triumph," "prevail," "conquer," or "outshine." Depending on the context in which the word is being used, additional synonyms may include "succeed," "win," "achieve," "overcome," or "perform well." In any case, using a synonym for "acen" can help to spice up writing and make it more dynamic. When composing content, it's always advisable to consider not only the meaning of the words being used but also the nuance and tone they evoke.