formalize

codify, marshal (also marshall), methodize, order, organize, systematize, systemize

average, equalize, even

square

accredit, certify

control, govern, regulate, rule

conciliate, conform, coordinate, harmonize, integrate, reconcile, synthesize

accept, acknowledge, affirm

certify, endorse (also indorse), validate

bless, canonize, sanctify

initial, rubber-stamp, sign, sign off (on)

allow, enable, legalize, license (also licence), pass, permit

reapprove