S: (n) process, physical process (a sustained phenomenon or one marked by gradual changes through a series of states) "events now in process"; "the process of calcification begins later for boys than for girls"
S: (n) domestication (accommodation to domestic life) "her explorer husband resisted all her attempts at domestication"
S: (n) habituation (a general accommodation to unchanging environmental conditions)
S: (n) shakedown (initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state) "the new industry's economic shakedown"