Lawful See also Right [adj.] not lawful to write unspeakable things seen by those filled with the Holy Ghost, 3 Ne. 26:18. lawful to have one wife, D&C 49:16. not lawful to utter mysteries shown in vision, D&C 76:115. those who receive priesthood through lineage of fathers are lawful heirs, D&C 86:8–9.