[+stage, level, age, limit, peak] atteindre
→ We're told the figure could reach 100,000 next year.
When the water reached his waist, he had to start swimming. Lorsque l'eau a atteint sa taille, il a dû commencer à nager.
to reach school age atteindre l'âge scolaire
→ Most children stay at home until they reach school age.