1 contacts

2 connections

3 network

1 calm

2 cool-headed

1 quiet

2 peaceful

3 calm

1 quiet

1 tranquil

2 tranquility

3 serenity

1 traceable to the same stock (idiom); of a common origin (of trends, ideas etc)

1 the rise and fall of the terrain (idiom)

2 (fig.) the whole sequence of events

3 causes and effects

1 full of tender feelings (idiom); tender-hearted

1 in the dead of night (idiom)

1 the still of the night (idiom)

2 late at night