This is the 688th most frequent Polish word.
doskonale
"Doskonale" means "perfectly" or "excellently."
In this sentence, 'doskonale' is used as an adverb to indicate the degree of understanding, emphasizing full comprehension.
Doskonale rozumiem twoją sytuację.
I perfectly understand your situation.
Here, 'doskonale' functions as an adverb describing the preparation of the plan, indicating that it was done in an exemplary manner.
To był doskonale przygotowany plan.
It was a perfectly prepared plan.
In this usage, 'doskonale' acts as an interjection, expressing perfect satisfaction or agreement with the situation.