solicitude (n.)
- affability
 - agitation
 - agreeableness
 - alarm
 - amenity
 - angst
 - anticipation
 - anxiety
 - anxiousness
 - apprehension
 - apprehensiveness
 - attention
 - attentiveness
 - calculation
 - care
 - carefulness
 - caution
 - cautiousness
 - circumspection
 - civility
 - comity
 - complaisance
 - compunction
 - concern
 - considerateness
 - consideration
 - courtesy
 - deference
 - deliberateness
 - deliberation
 - delicacy
 - discretion
 - disquiet
 - disquietude
 - distress
 - disturbance
 - dread
 - fear
 - fearfulness
 - foreboding
 - forethought
 - gracefulness
 - graciousness
 - hedge
 - hedging
 - heed
 - heedfulness
 - helpfulness
 - hesitation
 - indulgence
 - inquietude
 - judiciousness
 - leniency
 - malaise
 - mindfulness
 - misgiving
 - nervousness
 - obligingness
 - overanxiety
 - perturbation
 - politeness
 - preparedness
 - prudence
 - pucker
 - qualm
 - regard
 - respect
 - respectfulness
 - safeness
 - scruple
 - solicitousness
 - stew
 - strain
 - suspense
 - tact
 - tactfulness
 - tension
 - thoroughness
 - thought
 - thoughtfulness
 - toleration
 - trouble
 - uncommunicativeness
 - unease
 - uneasiness
 - upset
 - urbanity
 - vexation
 - watchfulness
 - worry
 - zeal