This is the 847th most frequent Slovenian word.
primerno
Suitable; appropriate.
In this sentence, 'primerno' is used as an adjective meaning 'appropriate' to describe the behavior suited for a formal setting.
To je primerno vedenje za formalno prireditev.
This is appropriate behavior for a formal event.
Here, 'primerno' acts as an adverb, meaning 'suitably,' describing how one should dress in accordance with the weather conditions.
Prosim, oblecite se primerno vremenskim razmeram.
Please dress suitably for the weather conditions.
In this question, 'primerno' works as an adjective meaning 'suitable,' referring to what is appropriate in regard to a child.