Collocations for relax - verb

completely, fully, totally
a little, slightly
just, simply
Just relax and take it easy.

gradually, slowly
He gradually relaxed and began to enjoy himself.

immediately, instantly
She instantly relaxed at the sight of him.

consciously
She realized how tense she was and consciously relaxed.

visibly

begin to
try to
Just try to relax completely.

learn to
help sb (to)
Use music to help you relax.

make sb
appear to, seem to
Julie seems to be relaxing a little now.

against
Jenna relaxed against the pillows.

into
His severe expression relaxed into a half-smile.

on
He was relaxing on the couch with a book.

lie back and relax, sit back and relax
relax and enjoy sth/yourself, relax and unwind

Relax is used with these nouns as the subject:
expression, grip, muscle, shoulder

Relax is used with these nouns as the object:
blockade, censorship, constraint, control, grip, hair, hold, mind, muscle, regulation, requirement, restriction, rule, shoulder, vigilance