Collocations for happiness - noun

deep (esp. AmE), great
perfect, pure, sheer, true
eternal, lasting
future
Living together before you marry is no guarantee of future happiness.

earthly
human
personal
domestic, family, marital

be filled with, feel
glow with
Her face was glowing with happiness.

cry with, sigh with
achieve, find
She seems to have found happiness with her new husband.

bring (sb)
It is easy to believe that money brings happiness.

buy (sb)
You cannot buy happiness.

wish sb

with happiness
happiness at
He was weeping with happiness at being free.

a feeling of happiness
wish sb every happiness
We wish them every happiness in their new life.