All abide by synonyms

verb abide by

• accept — If you accept something that you have been offered, you say yes to it or agree to take it.
• follow — to come after in sequence, order of time, etc.: The speech follows the dinner.
• observe — to see, watch, perceive, or notice: He observed the passersby in the street.
• acknowledge — If you acknowledge a fact or a situation, you accept or admit that it is true or that it exists.
• concede — If you concede something, you admit, often unwillingly, that it is true or correct.