a conference

hold a conference

to open / to begin an event

to open, lift, uncover, unpack / to bloom / to start, open (a store)

open (intransitive verb)

important, significant

importance, consequence, significance

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me