Answer:

promise

Answer	Crossword Clue
PROMISE	Make a pledge
PROMISE	Potential for growth
PROMISE	Resolution

PROMISE	"I do" is one
PROMISE	"Cross your heart?"
PROMISE	One's word
PROMISE	Potential
PROMISE	Vow
PROMISE	It may be unfulfilled
PROMISE	Take a pledge
PROMISE	Assure.

PROMISE	Pledge.
PROMISE	Covenant.
PROMISE	Given word.
PROMISE	Ground for hope.
PROMISE	"Oh, ... Me."
PROMISE	"Oh, ... me that some day . . . "
PROMISE	It's either broken or kept.
PROMISE	Indication of future success.

PROMISE	Word.
PROMISE	Foretoken
PROMISE	Take an oath
PROMISE	Lick's companion
PROMISE	Something to keep
PROMISE	Pledge
PROMISE	Lick's partner
PROMISE	Oath

PROMISE	Something too easily broken
PROMISE	"You swear?"
PROMISE	Indication of future success
PROMISE	Declaration sometimes made with crossed fingers behind the back
PROMISE	Eve 6 song that about a vow?
PROMISE	Sade album
PROMISE	Pinkie swear, e.g.