steekhoudend angolul

cogent▼(reasonable and convincing; based on evidence)
adjective
[UK: ˈkəʊ.dʒənt] [US: ˈkoʊ.dʒənt]

solid▼(lacking errors or inconsistencies)
adjective
[UK: ˈsɒ.lɪd] [US: ˈsɑː.ləd]