perambulant (adjective) ambulatory: changing position; able to move under own power
Sinonime: assurance,
commitment,
faith, gentlemen's agreement,
guarantee, oath, pledge,
plight,
promise, solemn oath, solemn promise, solemn word, swearing, troth, verbal agreement,
vow,
warrant, warranty
Antonime: steady,
stiff,
unchanging