gala day (noun) red-letter day: very special day
Sinonime: appropriate,
auspicious,
convenient,
favorable,
fit,
fitting, in good time, in the nick of time,
judicious,
likely,
meet,
modern,
now,
opportune, pat,
promising,
prompt,
proper,
propitious,
prosperous,
punctual, seasonable,
suitable, timeous, towardly,
up-to-date, up-to-the-minute, well-timed, with it
Antonime: inappropriate, inopportune,
unsuitable, untimely