They have the kind of objective truth that is ascertainable.

们具有可确定的客观真理。

Webster also claimed to have invented words such as demoralize, appreciation, accompaniment, ascertainable and expenditure, even though these words had actually been in use for some centuries.

韦伯斯特自己发明诸如 demoralize、appreciation、accompaniment、accertainable 和 expensation 等词，尽管这些词实际上已经使几个世纪。

The community that speaks a language has learnt it, and modified it by processes almost all of which are not deliberate, but the results of causes operating according to more or less ascertainable laws.

说一种语言的社区已经学，并通过过程对其进行修改，几乎所有这些过程都不是故意的，而是根据或多或少可确定的规律运作的原因的结果。