qualify

alter, color, distort, misrepresent, misstate, pervert, twist, warp

narrow

accustom, adapt, adjust, condition, groom, habituate, shape, tailor

authorize, entitle

empower, enable

educate, indoctrinate, instruct, school, teach, tutor

empower, enable, enfranchise, license (also licence)

approve, endorse (also indorse)

allow, let, permit

accredit, certificate, certify, ratify

legitimize, sanction, validate, warrant

approve, clear, credential, endorse (also indorse), OK (or okay), sanction

affirm, confirm, validate

inaugurate, induct, initiate, install, instate, swear in

allow, let, permit

enfranchise, entitle, privilege