consistent — Someone who is consistent always behaves in the same way, has the same attitudes towards people or things, or achieves the same level of success in something.
calm — A calm person does not show or feel any worry, anger, or excitement.
common — If something is common, it is found in large numbers or it happens often.
normal — conforming to the standard or the common type; usual; not abnormal; regular; natural.
reasonable — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
regular — usual; normal; customary: to put something in its regular place.
sensible — having, using, or showing good sense or sound judgment: a sensible young woman.
stable — a building for the lodging and feeding of horses, cattle, etc.
standard — something considered by an authority or by general consent as a basis of comparison; an approved model.
steadfast — fixed in direction; steadily directed: a steadfast gaze.
steady — firmly placed or fixed; stable in position or equilibrium: a steady ladder.
unchanging — to make the form, nature, content, future course, etc., of (something) different from what it is or from what it would be if left alone: to change one's name; to change one's opinion; to change the course of history.
certain — If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.
definite — If something such as a decision or an arrangement is definite, it is firm and clear, and unlikely to be changed.
dependable — If you say that someone or something is dependable, you approve of them because you feel that you can be sure that they will always act consistently or sensibly, or do what you need them to do.
predictable — able to be foretold or declared in advance: New technology allows predictable weather forecasting.
reliable — that may be relied on or trusted; dependable in achievement, accuracy, honesty, etc.: reliable information.
sure — free from doubt as to the reliability, character, action, etc., of something: to be sure of one's data.
