boost somebody's confidence
increase somebody's confidence

Such a reading does not do much to increase our confidence.

Its the fun way to increase your confidence no matter where you are.

The best thing to increase confidence in the model would be further data, he added.

The new rules will increase public confidence in the system.

Recently, however, new evidence has appeared to increase our confidence in the existence of life at these early times.

It would also increase public confidence in the ability of the two governments to control the arms race.

If we are trying to set our house in order, that should increase public confidence.

Probably any activity that increases young women's skills and confidence has similar results.

It can hardly be said that the past weeks have increased confidence in this area.

Don't mind saying they've increased my confidence in the outcome of this discussion.