Synonyms for Inaugurate:

n.

deliver, address, orate, lecture, dedicate to, chair, give, parade. accept, start-off, catalyze, Instate, set off, invest, bring about, trigger, install, make. take on, approach, take up, set-to, celebration, launch, mark, set out, get off, lead off, wassail, welcome, open, set about. inaugurate (noun)
kick off, usher in, introduce.
introduce (noun)
study at begin.

v.

begin (verb)
dawn, begin, originate, sprout, emerge, birth, develop, bud, conceive, create, introduce, spring, commence, undertake, induct, stem, start, initialize, germinate, hatch, form, embark, initiate, prepare.
begin; install (verb)
institute, kick off, Instate, introduce, induct, initiate, commence, invest, originate, start, open, usher in, launch.
celebrate (verb)
fete, hail, cheer, memorialize, frolic, proclaim, carouse, observe, glorify, praise, trumpet, revel, venerate, laud, acclaim, exult, commemorate, party, solemnize, jubilate, enjoy, salute, rejoice, hallow, celebrate, honor, make merry.
originate (verb)
invent, produce, generate, institute.
social (verb)
kick off.

Other synonyms:

orate, Instate, lecture, bring about, wassail. celebration, invest, catalyze. launch, set off. deliver. trigger. address, give. approach. parade, welcome, accept. make. mark. begin
set about, trigger, open.
setup
install.
Other relevant words:
mark, make, invest, get off, trigger, open, lead off, bring about, set out, address, chair, Instate, deliver, give, approach, install, launch, set about, take on, welcome, usher in, kick off, wassail.