salci -salc-sla- gismu

x1 celebrates/recognizes/honors x2 (event/abstract) with activity/[party] x3.

[x3 (and nunsla) festival/fiesta/celebration/occasion/fair/[holiday (some senses)]; not limited to the ameliorative interpretation of 'celebrate': funeral (= mrobixsla)]; (cf. sinma, jbena)

In notes:

brocesri'inunsla
n1 is Chanukkah/Hanukkah celebrated by s1 with activities s3
bujyjbenunsla
n1 is the Vesak celebrated by s1 with activities s3.
dansycu'u
c1 is a dance/ball involving participants c2=d1, to accompaniment/music/rhythm d2.
gratule
x1 congratulates x2 on x3 (event, property of x2)
gusnunsla
n1 is Diwali (Deepavali) celebrated by s1 with activities s3
jambori
x1 celebrates x2 with jamboree, lavish, boisterous party x3 (property of x1)
jbena
x1 is born to x2 at time x3 [birthday] and place x4 [birthplace]; x1 is native to (fo) x4.
jbonunsla
x1=n1 is an event of x2=s1 recognizing/celebrating x3=s2=l1, lojbanic in aspect x4=l2, with party/actions x5=s3; x1 is Logfest with attendees/participants x2.
karnavali
x1 celebrates x2 with the carnival party x3 (property of x1); x3 is a carnival devoted to x2
si'artersla
sl3 is an ceremony/celebration for recognizing/honoring si2 (object of esteem) with participants sl1=si1.
sinma
x1 esteems/respects/venerates/highly regards x2 [object of respect].
tepnunsla
x1 is a fear holiday celebrated by x2 with activities x3; x1 is Halloween
tersla
s3 is a activity/[party] for celebrating/recognizing/honoring s2 (event/abstract) with participants s1.
xislivnunsla
n1 is Easter celebrated by s1 with activities s3
zifnunsla
n1 is Independence Day celebrated by s1 with activities s3