Definitions
1.AdjectiveMaking up for deficiencies; supplementary; suppletory.
2.AdjectiveSupplying an etymologically unrelated word with forms, or which is used as one of its forms, by suppletion (for example, in English, better and best are suppletive forms of good).
3.AdjectiveRelating to laws which can apply in a contract if the parties choose to agree to this.
4.NounA form used by way of suppletion.