This is the 17783rd most frequent Russian word.
уместно
Appropriate; fitting; suitable.
The word 'уместно' is used to ask whether something is appropriate or suitable given the current situation.
Уместно ли говорить об этом сейчас?
Is it appropriate to talk about this now?
Here, 'уместен' (a form of 'уместно') describes something as fitting or suitable in context.
Этот комментарий был весьма уместен.
This comment was quite appropriate.
'Уместно' is used to suggest what behavior or action is fitting in the given context.