relax
re.lax \ri-'laks\ vb [ME relaxen to make less compact, fr. L relaxare, fr. re- + (Xlaxare to loosen, fr. laxus loose - more at SLACK 1: to make less tense or rigid : SLACKEN 2: to make less severe or stringent 3: to make soft or enervated 4: to relieve from nervous tension 1: to become lax, weak, or loose : REST 2: to abate in intensity of a muscle or muscle fiber 3: to become inactive and lengthen 4: to cast off social restraint, nervous tension, or attitude of anxiety o r suspicion 5: to seek rest or recreation 6: to relieve constipation - re.lax.er n
Webster's English Dictionary