verb
1.
to invest with power or the right to act
I did not authorize him to speak for me
Synonyms: accredit, commission, empower, enable, license
Related Word: approve, countenance, endorse; aid, assist, help, support, subserve; advance, facilitate, forward, further, promote
Contrasted words: bar, disallow, enjoin, forbid, interdict, prohibit
2.
Synonyms: entitle 2, qualify
Related Word: allow, let, permit; approve, countenance, endorse
Idioms: give one the right to
3.
Synonyms: invest 2, empower, vest