Synonyms of 'marinate'
If you soak something or leave it to soak, you put it into a liquid and leave it there.
Soak the beans for two hours.
Thesaurus for marinate from the Collins English Thesaurus
If you marinate meat or fish, or if it marinates , you keep it in a mixture of oil, vinegar , spices , and herbs , before cooking it, so that it can develop a special flavour .