Answer:

stoics

Answer	Crossword Clue
STOICS	Seemingly indifferent people
STOICS	Zeno's followers
STOICS	Unflappable types

STOICS	They take things in stride
STOICS	Imperturbable ones
STOICS	Followers of Zeno
STOICS	Zeno and others
STOICS	Unemotional types
STOICS	Passive people
STOICS	Impassive ones
STOICS	Unemotional ones

STOICS	Unemotional sorts
STOICS	Zeno's followers.
STOICS	Impassive people.
STOICS	Impassive ones.
STOICS	Followers of Zeno.
STOICS	Followers of a Greek philosophy
STOICS	Dispassionate people
STOICS	Zeno and Epictetus

STOICS	Unmovable ones
STOICS	Greek philosophical group
STOICS	Ancient Greek school
STOICS	Followers of Epictetus
STOICS	Impassive sorts
STOICS	Emotion-hiding sorts
STOICS	Unflinching sufferers
STOICS	Unflinching folks

STOICS	Unemotional people
STOICS	Zeno's disciples
STOICS	Foes of destructive emotions
STOICS	"I can take it" types