good as one's word
pledge
vow
keep
undertaking
plight
troth
ensure
votive
promisee
pledger
avower
word
word of honor
promisor
promiser
parole
propine
break one's word
euche
a promise is a promise
nercha
promise
vower
pass one's word
pollicitation
committedly
if I'm lying, I'm dying
vowmaking
a promise made is a promise kept
assure
engage
vowed
repledger
exchange vows
pledging
promising
pinky promise
oath
give one's word
commitment
dedication
votively
handfast
seal
fake the funk
stipulate
devotionally
corban
hand
on
pledgee
guarantee
overpromise
avow
promissory
make good on
swear on a stack of Bibles
of one's word
seedful
give
votary
cross my heart and hope to die
faithfully
interpledge
lock into
reliably
pledgor
swear
dependably
committed
solemn
sober
vum
grave
sedate
in for it
hold to
reaffirmer
guaranteed
mettlesome