This is the 13896th most frequent German word.
festlichen
"Festlichen" means "festive" or "celebratory" in English.
Used as an adjective describing the appearance of the table, implying it is decorated for a festive occasion.
Wir haben einen festlichen Tisch für die Feier gedeckt.
We set up a festive table for the celebration.
Describes the lights as being ornamental and suited for a festive environment.
Die festlichen Lichter schmücken die Straßen während der Weihnachtszeit.
The festive lights adorn the streets during the Christmas season.
Describes the suit as being appropriate for a festive event, implying it's elegant and celebratory.