bless give a benediction to; "The dying man blessed his son"
graduate confer an academic degree upon; "This school graduates 2,000 students each year"
bestow -
bestow a quality on; "Her presence lends a certain cachet to the company"; "The music added a lot to the play"; "She brings a special atmosphere to our meetings"; "This adds a light note to the program"
modify,
alter,
change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
factor resolve into factors; "a quantum computer can factor the number 15"
