"Achieve by force" is a phrase that can often have negative connotations, implying coercion, aggression, or violence. As such, it is important to have access to synonyms that convey similar meanings without the negative associations. Different synonyms might be appropriate depending on the specific context and tone of the writing or conversation. Some options might include "compel," "enforce," "impose," "coerce," "bully," "pressure," "intimidate," "dominate," or "subjugate." It is important to choose words that accurately convey the intended meaning while being sensitive to potential negative implications.