The phrase "hast a right" means to have a lawful or legitimate claim to something. There are many words that can be used as synonyms for this phrase, including "deserve," "entitled," "authorized," "privileged," "permitted," "granted," "empowered," "approved," "licensed," and "warranted." These words all convey the idea of having a recognized and valid right to something. Whether talking about property, privileges, or legal entitlements, using these synonyms can enhance your writing and help to convey your meaning with greater clarity. So, next time you want to express the idea of having a right to something, try using one of these alternative words - they're sure to come in handy!