Formal/Technical:
* -ize: This suffix implies a process of making something standard. For example, "standardize" means "to make something conform to a standard".
* -ify: Similar to "-ize", this suffix indicates a change towards a standard. For example, "regularify" could mean "to make something regular or standard".
Informal/Figurative:
* -ate: This suffix suggests a more active and intentional process of making something standard. For example, "standardate" (not a real word, but you get the idea) could be used in a humorous or informal context.
* -en: This suffix implies a gradual or natural process of becoming standard. For example, "standarden" could mean "to become standard".
Other options:
* -ing: "Standardizing" or "regularizing" can be used to refer to the ongoing process of making something standard.
* -able: "Standardizable" or "regularizable" suggests that something has the potential to become standard.
Ultimately, the best suffix depends on the specific context and meaning you want to convey. Consider the intended audience, the tone of your writing, and the exact sense of "cause to become standard" you wish to express.