We don't have synonyms for lilial yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are filial, cilial and ilial.
(N) :
(a trade name for lily aldehyde, also known as lysmeral or lilestralis) a chemical compound commonly used as a perfume in cosmetic preparations and laundry powders, often under the name butylphenyl methylpropional.
(N) :
(a trade name for lily aldehyde, also known as lysmeral or lilestralis) a chemical compound commonly used as a perfume in cosmetic preparations and laundry powders, often under the name butylphenyl methylpropional.