Supervene

soo-per-VEEN (/ˌsuːpəˈviːn/)

to occur as something additional, often unexpected.

“If environmental changes supervene, goldfish can quickly adapt, demonstrating memory and learning abilities that last for months.”

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obedient or attentive to an excessive or servile degree.

the process of growth or increase, typically by the gradual accumulation of additional layers or matter.

misleading; not telling the truth; lying.

successful in producing a desired or intended result; effective.

the act or process of merging; a junction or coming together.

plots or schemes, especially those that are secret or underhanded.