participate in / take part in / join / attend

accomplished young man

a style of 家紋 (kamon, “family crest”) with designs of hīragi leaves / Osmanthus heterophyllus, a species of flowering plants known as the holly olive, holly osmanthus, or false holly

Alternative spelling of 柊 (hīragi): the spotnape ponyfish, Nuchequula nuchalis

an airplane, aeroplane / (obsolete) Clipping of 空中飛行機 (kūchū hikōki): a flying machine

(dated) unpatriotic person, traitor

an astronaut (member of the crew of a spaceship or other spacecraft, or someone trained for that purpose)

pessimist

pessimism

vapor trail, contrail