(product development) project

to decide to do something: to do something on purpose / to perform a maneuver, to carry out a tactical action / to decide on an opinion: to believe in an opinion firmly

project (planned endeavour)

challenge (against authority or a higher-ranked person) / (figuratively) try at something

to challenge / (figuratively) to take on the challenge of doing something (especially something one has not done before); to try; to try one's hand at

new, novel / latest, recent / modern / fresh

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel

(obsolete) Same as あたらし (atarashi) above

(idiomatic) to make up one’s mind, to decide